| Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
| 1
|
Earth
|
508,293
|
16,943
|
FA
|
Top
|
| 2
|
Atomic bombings of Hiroshima and Nagasaki
|
466,397
|
15,546
|
GA
|
High
|
| 3
|
Jimmy Carter
|
444,511
|
14,817
|
GA
|
High
|
| 4
|
Earth Day
|
308,617
|
10,287
|
C
|
High
|
| 5
|
Bhopal disaster
|
274,353
|
9,145
|
B
|
High
|
| 6
|
Greta Thunberg
|
242,628
|
8,087
|
GA
|
High
|
| 7
|
David Attenborough
|
216,083
|
7,202
|
GA
|
High
|
| 8
|
Tesla Cybertruck
|
189,494
|
6,316
|
C
|
Mid
|
| 9
|
Nuclear weapon
|
154,969
|
5,165
|
C
|
High
|
| 10
|
Tsar Bomba
|
146,087
|
4,869
|
B
|
High
|
| 11
|
Thermonuclear weapon
|
136,236
|
4,541
|
C
|
High
|
| 12
|
Fukushima nuclear accident
|
134,195
|
4,473
|
B
|
High
|
| 13
|
Charles Darwin
|
131,711
|
4,390
|
FA
|
High
|
| 14
|
Industrial Revolution
|
128,382
|
4,279
|
C
|
Mid
|
| 15
|
Julia Butterfly Hill
|
123,844
|
4,128
|
C
|
Mid
|
| 16
|
Al Gore
|
122,219
|
4,073
|
GA
|
Mid
|
| 17
|
Climate change
|
116,457
|
3,881
|
FA
|
Top
|
| 18
|
Sustainable Development Goals
|
115,208
|
3,840
|
C
|
High
|
| 19
|
World population
|
113,253
|
3,775
|
B
|
Top
|
| 20
|
BP
|
106,493
|
3,549
|
B
|
High
|
| 21
|
Trinity (nuclear test)
|
105,709
|
3,523
|
FA
|
High
|
| 22
|
Silent Spring
|
105,281
|
3,509
|
B
|
High
|
| 23
|
Laurie David
|
100,465
|
3,348
|
C
|
Low
|
| 24
|
Agent Orange
|
99,528
|
3,317
|
GA
|
High
|
| 25
|
Willem-Alexander of the Netherlands
|
97,672
|
3,255
|
C
|
Low
|
| 26
|
Asbestos
|
91,423
|
3,047
|
B
|
High
|
| 27
|
Rivian
|
87,363
|
2,912
|
Start
|
Low
|
| 28
|
Ocean
|
86,934
|
2,897
|
B
|
High
|
| 29
|
Fungus
|
86,259
|
2,875
|
FA
|
High
|
| 30
|
El Niño–Southern Oscillation
|
86,038
|
2,867
|
C
|
High
|
| 31
|
Deepwater Horizon oil spill
|
85,943
|
2,864
|
C
|
High
|
| 32
|
Three Mile Island accident
|
84,459
|
2,815
|
B
|
High
|
| 33
|
Carbon dioxide
|
81,325
|
2,710
|
C
|
High
|
| 34
|
Amazon rainforest
|
81,080
|
2,702
|
B
|
Top
|
| 35
|
Kardashev scale
|
79,323
|
2,644
|
C
|
Low
|
| 36
|
Nuclear weapons and Israel
|
78,696
|
2,623
|
B
|
Low
|
| 37
|
Mercury (element)
|
76,496
|
2,549
|
GA
|
High
|
| 38
|
Erin Brockovich (film)
|
75,752
|
2,525
|
C
|
Low
|
| 39
|
Agriculture
|
74,874
|
2,495
|
GA
|
High
|
| 40
|
Sustainable development
|
74,623
|
2,487
|
C
|
Top
|
| 41
|
Petroleum
|
74,107
|
2,470
|
C
|
High
|
| 42
|
Cancer
|
72,403
|
2,413
|
B
|
High
|
| 43
|
Love Canal
|
72,281
|
2,409
|
B
|
High
|
| 44
|
Ecocide
|
71,742
|
2,391
|
B
|
Mid
|
| 45
|
ExxonMobil
|
70,502
|
2,350
|
B
|
Mid
|
| 46
|
The Day After Tomorrow
|
70,022
|
2,334
|
C
|
Mid
|
| 47
|
Lead
|
69,059
|
2,301
|
FA
|
High
|
| 48
|
Shell plc
|
68,580
|
2,286
|
B
|
Low
|
| 49
|
Nuclear fallout
|
68,539
|
2,284
|
C
|
Top
|
| 50
|
Solar panel
|
67,754
|
2,258
|
C
|
High
|
| 51
|
Atmosphere of Earth
|
66,321
|
2,210
|
C
|
High
|
| 52
|
Dust Bowl
|
66,107
|
2,203
|
B
|
Mid
|
| 53
|
Tree
|
65,489
|
2,182
|
GA
|
Low
|
| 54
|
Xiaomi SU7
|
64,950
|
2,165
|
Start
|
Low
|
| 55
|
Isra Hirsi
|
64,096
|
2,136
|
Start
|
Low
|
| 56
|
Cigarette
|
62,822
|
2,094
|
B
|
Mid
|
| 57
|
Ice age
|
60,162
|
2,005
|
B
|
High
|
| 58
|
1966 Palomares B-52 crash
|
60,091
|
2,003
|
B
|
High
|
| 59
|
Toyota Prius
|
59,628
|
1,987
|
B
|
Mid
|
| 60
|
Extinction
|
58,926
|
1,964
|
C
|
High
|
| 61
|
Air pollution
|
57,932
|
1,931
|
B
|
Top
|
| 62
|
Greenhouse gas
|
57,657
|
1,921
|
B
|
Top
|
| 63
|
Pollution
|
56,415
|
1,880
|
B
|
Top
|
| 64
|
Ed Begley Jr.
|
55,597
|
1,853
|
Start
|
Mid
|
| 65
|
Dark Waters (2019 film)
|
55,595
|
1,853
|
Start
|
Low
|
| 66
|
Tesla Model 3
|
55,535
|
1,851
|
B
|
Low
|
| 67
|
Waterworld
|
55,477
|
1,849
|
C
|
Unknown
|
| 68
|
Per- and polyfluoroalkyl substances
|
54,794
|
1,826
|
C
|
High
|
| 69
|
Tesla Model Y
|
54,654
|
1,821
|
C
|
Mid
|
| 70
|
Deepwater Horizon explosion
|
54,519
|
1,817
|
C
|
Unknown
|
| 71
|
Chlorine
|
54,500
|
1,816
|
GA
|
Mid
|
| 72
|
Fisker Inc.
|
53,630
|
1,787
|
C
|
Low
|
| 73
|
Acute radiation syndrome
|
53,414
|
1,780
|
B
|
Mid
|
| 74
|
Castle Bravo
|
52,490
|
1,749
|
C
|
High
|
| 75
|
Energy transition
|
52,422
|
1,747
|
Start
|
High
|
| 76
|
Prisoner's dilemma
|
52,124
|
1,737
|
C
|
High
|
| 77
|
Abiogenesis
|
51,994
|
1,733
|
GA
|
High
|
| 78
|
Formula E
|
51,959
|
1,731
|
C
|
Low
|
| 79
|
Environmental, social, and governance
|
51,653
|
1,721
|
C
|
Mid
|
| 80
|
15-minute city
|
51,617
|
1,720
|
C
|
High
|
| 81
|
Three Gorges Dam
|
51,407
|
1,713
|
GA
|
Mid
|
| 82
|
List of countries by air pollution
|
50,643
|
1,688
|
List
|
Low
|
| 83
|
Benzene
|
50,262
|
1,675
|
B
|
High
|
| 84
|
Christiana Figueres
|
49,616
|
1,653
|
C
|
Low
|
| 85
|
IUCN Red List
|
49,559
|
1,651
|
C
|
Mid
|
| 86
|
Ecosystem
|
49,501
|
1,650
|
B
|
Top
|
| 87
|
Life
|
49,438
|
1,647
|
GA
|
Top
|
| 88
|
Biodiversity
|
48,987
|
1,632
|
C
|
Top
|
| 89
|
Bicycle
|
48,824
|
1,627
|
C
|
High
|
| 90
|
Tesla Model S
|
48,775
|
1,625
|
B
|
Low
|
| 91
|
Air conditioning
|
48,772
|
1,625
|
C
|
High
|
| 92
|
Plastic
|
48,422
|
1,614
|
B
|
High
|
| 93
|
Paris Agreement
|
47,875
|
1,595
|
GA
|
Top
|
| 94
|
Renewable energy
|
47,707
|
1,590
|
C
|
Top
|
| 95
|
Botany
|
47,284
|
1,576
|
GA
|
High
|
| 96
|
Conservation status
|
47,186
|
1,572
|
C
|
Mid
|
| 97
|
Water pollution
|
47,032
|
1,567
|
B
|
High
|
| 98
|
Nuclear fission
|
46,941
|
1,564
|
B
|
High
|
| 99
|
Radioactive decay
|
46,794
|
1,559
|
C
|
High
|
| 100
|
Palm oil
|
46,273
|
1,542
|
B
|
Mid
|
| 101
|
Salton Sea
|
46,170
|
1,539
|
B
|
Mid
|
| 102
|
Carbon monoxide
|
45,770
|
1,525
|
B
|
High
|
| 103
|
3M
|
45,594
|
1,519
|
B
|
Unknown
|
| 104
|
Bidet
|
45,364
|
1,512
|
C
|
Unknown
|
| 105
|
Monsanto
|
45,348
|
1,511
|
C
|
Mid
|
| 106
|
Epigenetics
|
44,916
|
1,497
|
B
|
Mid
|
| 107
|
Algae
|
44,586
|
1,486
|
B
|
Mid
|
| 108
|
Sustainability
|
44,385
|
1,479
|
B
|
High
|
| 109
|
Nuclear warfare
|
44,196
|
1,473
|
C
|
Unknown
|
| 110
|
Plutonium
|
43,974
|
1,465
|
FA
|
High
|
| 111
|
Arsenic
|
43,503
|
1,450
|
B
|
High
|
| 112
|
Chernobyl Nuclear Power Plant
|
43,313
|
1,443
|
B
|
High
|
| 113
|
Fossil fuel
|
43,091
|
1,436
|
C
|
High
|
| 114
|
Coal
|
42,727
|
1,424
|
C
|
Top
|
| 115
|
Ghazipur landfill
|
41,856
|
1,395
|
Stub
|
Low
|
| 116
|
Younger Dryas
|
41,849
|
1,394
|
B
|
Low
|
| 117
|
Nuclear holocaust
|
41,467
|
1,382
|
C
|
High
|
| 118
|
Greenhouse effect
|
41,383
|
1,379
|
C
|
Top
|
| 119
|
Happy Feet
|
41,369
|
1,378
|
B
|
Unknown
|
| 120
|
Holocene extinction
|
40,919
|
1,363
|
B
|
High
|
| 121
|
Highest temperature recorded on Earth
|
40,639
|
1,354
|
C
|
Mid
|
| 122
|
Prokaryote
|
40,399
|
1,346
|
C
|
High
|
| 123
|
Recycling
|
40,359
|
1,345
|
B
|
Top
|
| 124
|
DDT
|
40,093
|
1,336
|
B
|
High
|
| 125
|
Deforestation
|
39,635
|
1,321
|
B
|
Top
|
| 126
|
BMW i8
|
39,417
|
1,313
|
C
|
High
|
| 127
|
Nuclear power
|
39,021
|
1,300
|
GA
|
High
|
| 128
|
Ecology
|
38,813
|
1,293
|
GA
|
Top
|
| 129
|
Glyphosate
|
38,348
|
1,278
|
B
|
Mid
|
| 130
|
Ozone
|
37,961
|
1,265
|
B
|
Mid
|
| 131
|
Mutual assured destruction
|
37,953
|
1,265
|
Start
|
High
|
| 132
|
Natural environment
|
37,940
|
1,264
|
B
|
High
|
| 133
|
Kyoto Protocol
|
37,923
|
1,264
|
C
|
High
|
| 134
|
Waste management
|
37,768
|
1,258
|
B
|
Mid
|
| 135
|
Audubon
|
37,446
|
1,248
|
C
|
Unknown
|
| 136
|
Microorganism
|
37,414
|
1,247
|
GA
|
High
|
| 137
|
Biotechnology
|
36,756
|
1,225
|
C
|
High
|
| 138
|
Natural resource
|
36,627
|
1,220
|
C
|
Top
|
| 139
|
Polystyrene
|
36,552
|
1,218
|
B
|
High
|
| 140
|
Mustard gas
|
36,478
|
1,215
|
B
|
Mid
|
| 141
|
Diesel fuel
|
36,428
|
1,214
|
C
|
Mid
|
| 142
|
Al-Khwarizmi
|
36,424
|
1,214
|
B
|
Low
|
| 143
|
Acid rain
|
36,311
|
1,210
|
B
|
Top
|
| 144
|
Rachel Carson
|
36,234
|
1,207
|
FA
|
High
|
| 145
|
Chernobyl
|
36,216
|
1,207
|
B
|
High
|
| 146
|
Biome
|
35,877
|
1,195
|
C
|
High
|
| 147
|
Lucid Motors
|
35,599
|
1,186
|
C
|
Mid
|
| 148
|
Electric vehicle
|
35,545
|
1,184
|
C
|
Top
|
| 149
|
Tundra
|
35,503
|
1,183
|
B
|
Low
|
| 150
|
John Muir
|
35,113
|
1,170
|
B
|
Unknown
|
| 151
|
Tragedy of the commons
|
35,083
|
1,169
|
B
|
High
|
| 152
|
Weed
|
35,009
|
1,166
|
B
|
High
|
| 153
|
Bromine
|
34,843
|
1,161
|
GA
|
Mid
|
| 154
|
Fusion power
|
33,863
|
1,128
|
B
|
Low
|
| 155
|
Little Ice Age
|
33,727
|
1,124
|
B
|
High
|
| 156
|
Polychlorinated biphenyl
|
33,724
|
1,124
|
B
|
High
|
| 157
|
Fuel cell
|
33,629
|
1,120
|
B
|
High
|
| 158
|
Nature
|
33,479
|
1,115
|
GA
|
Top
|
| 159
|
Great Smog of London
|
33,078
|
1,102
|
B
|
Low
|
| 160
|
Ethylene oxide
|
33,003
|
1,100
|
B
|
Mid
|
| 161
|
World Wide Fund for Nature
|
32,587
|
1,086
|
C
|
Mid
|
| 162
|
Nuclear power plant
|
32,427
|
1,080
|
C
|
High
|
| 163
|
Ozone layer
|
32,332
|
1,077
|
C
|
High
|
| 164
|
Last Glacial Period
|
31,952
|
1,065
|
B
|
Low
|
| 165
|
Diesel exhaust fluid
|
31,947
|
1,064
|
C
|
Low
|
| 166
|
Litter
|
31,902
|
1,063
|
B
|
Mid
|
| 167
|
Green Party of the United States
|
31,755
|
1,058
|
C
|
Mid
|
| 168
|
FernGully: The Last Rainforest
|
31,743
|
1,058
|
GA
|
Low
|
| 169
|
Tesla Roadster (first generation)
|
31,580
|
1,052
|
B
|
Low
|
| 170
|
Arbor Day
|
31,230
|
1,041
|
C
|
High
|
| 171
|
Wind turbine
|
31,140
|
1,038
|
GA
|
Mid
|
| 172
|
Malthusianism
|
31,078
|
1,035
|
B
|
Low
|
| 173
|
Nuclear winter
|
30,881
|
1,029
|
B
|
Low
|
| 174
|
Endangered species
|
30,870
|
1,029
|
C
|
High
|
| 175
|
Soil
|
30,811
|
1,027
|
B
|
Top
|
| 176
|
Corporate social responsibility
|
30,778
|
1,025
|
B
|
Mid
|
| 177
|
Rainforest
|
30,586
|
1,019
|
C
|
High
|
| 178
|
Great Pacific garbage patch
|
30,577
|
1,019
|
C
|
Mid
|
| 179
|
Water cycle
|
30,477
|
1,015
|
C
|
High
|
| 180
|
European emission standards
|
30,426
|
1,014
|
B
|
Mid
|
| 181
|
United States Environmental Protection Agency
|
30,289
|
1,009
|
B
|
High
|
| 182
|
Halliburton
|
29,994
|
999
|
B
|
Unknown
|
| 183
|
Invasive species
|
29,850
|
995
|
GA
|
High
|
| 184
|
Mining
|
29,834
|
994
|
B
|
High
|
| 185
|
Hydrazine
|
29,764
|
992
|
B
|
Mid
|
| 186
|
Fracking
|
29,579
|
985
|
C
|
Top
|
| 187
|
Polonium
|
29,577
|
985
|
GA
|
Mid
|
| 188
|
Arts and Crafts movement
|
29,311
|
977
|
B
|
Low
|
| 189
|
Drought
|
29,201
|
973
|
C
|
High
|
| 190
|
Nuclear and radiation accidents and incidents
|
29,070
|
969
|
B
|
High
|
| 191
|
Exxon Valdez oil spill
|
29,018
|
967
|
B
|
Unknown
|
| 192
|
Carbon footprint
|
28,729
|
957
|
C
|
Mid
|
| 193
|
Fast fashion
|
28,631
|
954
|
C
|
Mid
|
| 194
|
Jevons paradox
|
28,620
|
954
|
GA
|
Mid
|
| 195
|
Critically Endangered
|
28,480
|
949
|
Start
|
Mid
|
| 196
|
Boaty McBoatface
|
28,388
|
946
|
C
|
Low
|
| 197
|
Ozone depletion
|
28,284
|
942
|
B
|
High
|
| 198
|
Genetically modified food
|
28,090
|
936
|
B
|
Mid
|
| 199
|
Volkswagen emissions scandal
|
27,937
|
931
|
C
|
High
|
| 200
|
Hydroelectricity
|
27,920
|
930
|
C
|
High
|
| 201
|
Solar cell
|
27,703
|
923
|
B
|
High
|
| 202
|
Projections of population growth
|
27,578
|
919
|
B
|
High
|
| 203
|
Chernobyl exclusion zone
|
27,550
|
918
|
C
|
High
|
| 204
|
BMW i3
|
27,538
|
917
|
B
|
High
|
| 205
|
Plug-in hybrid
|
27,486
|
916
|
B
|
Mid
|
| 206
|
Solar energy
|
27,469
|
915
|
B
|
High
|
| 207
|
Fiona Harvey
|
27,368
|
912
|
Stub
|
Unknown
|
| 208
|
Walden
|
27,132
|
904
|
C
|
Unknown
|
| 209
|
Windmill
|
27,065
|
902
|
B
|
High
|
| 210
|
Chipko movement
|
26,952
|
898
|
C
|
High
|
| 211
|
United Nations Framework Convention on Climate Change
|
26,905
|
896
|
C
|
High
|
| 212
|
Pathogen
|
26,782
|
892
|
B
|
High
|
| 213
|
Weapon of mass destruction
|
26,711
|
890
|
C
|
Mid
|
| 214
|
Methyl isocyanate
|
26,622
|
887
|
B
|
Mid
|
| 215
|
Extinct in the wild
|
26,577
|
885
|
Start
|
Mid
|
| 216
|
Carcinogen
|
26,220
|
874
|
C
|
High
|
| 217
|
International Union for Conservation of Nature
|
26,139
|
871
|
C
|
Mid
|
| 218
|
Chlorofluorocarbon
|
26,115
|
870
|
B
|
Top
|
| 219
|
Rimac Nevera
|
25,990
|
866
|
Start
|
Unknown
|
| 220
|
Dichloromethane
|
25,789
|
859
|
B
|
Low
|
| 221
|
Anthropocene
|
25,736
|
857
|
B
|
Mid
|
| 222
|
BYD Seagull
|
25,701
|
856
|
Start
|
Unknown
|
| 223
|
Electric car
|
25,665
|
855
|
C
|
Top
|
| 224
|
Glacier
|
25,618
|
853
|
B
|
Low
|
| 225
|
Air quality index
|
25,487
|
849
|
C
|
Mid
|
| 226
|
Porsche Taycan
|
25,307
|
843
|
B
|
High
|
| 227
|
Population growth
|
25,168
|
838
|
C
|
High
|
| 228
|
Carbon dioxide in Earth's atmosphere
|
25,102
|
836
|
C
|
Mid
|
| 229
|
Joseph Stiglitz
|
25,035
|
834
|
B
|
Mid
|
| 230
|
Noise pollution
|
24,994
|
833
|
C
|
Mid
|
| 231
|
Greenpeace
|
24,980
|
832
|
C
|
High
|
| 232
|
Svalbard Global Seed Vault
|
24,920
|
830
|
B
|
Mid
|
| 233
|
Sunlight
|
24,709
|
823
|
B
|
Low
|
| 234
|
Median lethal dose
|
24,666
|
822
|
Start
|
High
|
| 235
|
Desertification
|
24,425
|
814
|
C
|
High
|
| 236
|
Permaculture
|
24,399
|
813
|
GA
|
Mid
|
| 237
|
Least-concern species
|
24,313
|
810
|
Start
|
Low
|
| 238
|
Buckminster Fuller
|
24,174
|
805
|
C
|
Low
|
| 239
|
Albedo
|
24,024
|
800
|
B
|
Mid
|
| 240
|
Cistern
|
23,853
|
795
|
Start
|
Mid
|
| 241
|
Michael Shellenberger
|
23,753
|
791
|
C
|
Low
|
| 242
|
Stream
|
23,747
|
791
|
Start
|
Mid
|
| 243
|
Resource
|
23,739
|
791
|
C
|
High
|
| 244
|
Wind power
|
23,700
|
790
|
B
|
High
|
| 245
|
Photovoltaics
|
23,617
|
787
|
B
|
Mid
|
| 246
|
Nevada Test Site
|
23,563
|
785
|
B
|
Mid
|
| 247
|
Pesticide
|
23,536
|
784
|
B
|
Mid
|
| 248
|
Effects of nuclear explosions
|
23,498
|
783
|
B
|
High
|
| 249
|
Centralia mine fire
|
23,483
|
782
|
C
|
Mid
|
| 250
|
Genetically modified organism
|
23,408
|
780
|
GA
|
Mid
|
| 251
|
Tesla Model X
|
23,406
|
780
|
C
|
Unknown
|
| 252
|
Solar power
|
23,276
|
775
|
B
|
High
|
| 253
|
Civilian Conservation Corps
|
22,907
|
763
|
B
|
High
|
| 254
|
Enriched uranium
|
22,890
|
763
|
B
|
Mid
|
| 255
|
Fisker Ocean
|
22,848
|
761
|
C
|
Unknown
|
| 256
|
Depleted uranium
|
22,765
|
758
|
B
|
High
|
| 257
|
Carla Denyer
|
22,638
|
754
|
C
|
Unknown
|
| 258
|
Permethrin
|
22,617
|
753
|
C
|
Low
|
| 259
|
National park
|
22,537
|
751
|
C
|
High
|
| 260
|
Drinking water
|
22,517
|
750
|
B
|
High
|
| 261
|
Lucid Air
|
22,421
|
747
|
C
|
Low
|
| 262
|
Hybrid vehicle
|
22,415
|
747
|
C
|
High
|
| 263
|
Acetaldehyde
|
22,348
|
744
|
B
|
Mid
|
| 264
|
Environmental issues
|
22,324
|
744
|
B
|
Top
|
| 265
|
North Atlantic garbage patch
|
22,298
|
743
|
C
|
Low
|
| 266
|
Electrolysis of water
|
22,248
|
741
|
C
|
Low
|
| 267
|
David Bale
|
22,208
|
740
|
C
|
Low
|
| 268
|
Alliance 90/The Greens
|
22,177
|
739
|
B
|
Mid
|
| 269
|
Ivy Mike
|
22,118
|
737
|
C
|
High
|
| 270
|
Portland cement
|
21,982
|
732
|
B
|
High
|
| 271
|
Wildlife
|
21,978
|
732
|
C
|
High
|
| 272
|
Waterfall
|
21,967
|
732
|
B
|
Mid
|
| 273
|
Tesla Semi
|
21,915
|
730
|
C
|
Low
|
| 274
|
United Nations Convention on the Law of the Sea
|
21,761
|
725
|
C
|
High
|
| 275
|
Landfill
|
21,734
|
724
|
C
|
Mid
|
| 276
|
Organic farming
|
21,614
|
720
|
B
|
Top
|
| 277
|
National Oceanic and Atmospheric Administration
|
21,597
|
719
|
Start
|
Mid
|
| 278
|
Kessler syndrome
|
21,554
|
718
|
Start
|
Low
|
| 279
|
Aspark Owl
|
21,515
|
717
|
Start
|
Low
|
| 280
|
Roundup (herbicide)
|
21,474
|
715
|
C
|
High
|
| 281
|
List of global issues
|
21,444
|
714
|
List
|
Low
|
| 282
|
Eutrophication
|
21,366
|
712
|
B
|
High
|
| 283
|
Valero Energy
|
21,350
|
711
|
C
|
Low
|
| 284
|
Michael McCaul
|
21,331
|
711
|
Start
|
Low
|
| 285
|
Sewage treatment
|
21,309
|
710
|
B
|
High
|
| 286
|
Human impact on the environment
|
21,257
|
708
|
C
|
Top
|
| 287
|
International Atomic Energy Agency
|
21,225
|
707
|
B
|
Mid
|
| 288
|
Compost
|
21,114
|
703
|
B
|
Low
|
| 289
|
Goiânia accident
|
21,052
|
701
|
C
|
Mid
|
| 290
|
Nitrogen fixation
|
21,038
|
701
|
B
|
Mid
|
| 291
|
Fresh water
|
21,024
|
700
|
C
|
High
|
| 292
|
Fisker Karma
|
20,965
|
698
|
B
|
Mid
|
| 293
|
Segway
|
20,750
|
691
|
C
|
Unknown
|
| 294
|
Greenhouse gas emissions
|
20,734
|
691
|
C
|
Top
|
| 295
|
Microplastics
|
20,734
|
691
|
C
|
Top
|
| 296
|
Climate of the Philippines
|
20,607
|
686
|
C
|
Mid
|
| 297
|
Carbon offsets and credits
|
20,580
|
686
|
B
|
High
|
| 298
|
Hydrogen vehicle
|
20,514
|
683
|
B
|
High
|
| 299
|
Teton Dam
|
20,444
|
681
|
C
|
Low
|
| 300
|
Nuclear weapons testing
|
20,414
|
680
|
C
|
High
|
| 301
|
Minamata disease
|
20,303
|
676
|
B
|
Unknown
|
| 302
|
International Nuclear Event Scale
|
20,200
|
673
|
C
|
Mid
|
| 303
|
Debate over the atomic bombings of Hiroshima and Nagasaki
|
20,079
|
669
|
B
|
Mid
|
| 304
|
Volatile organic compound
|
20,069
|
668
|
C
|
Mid
|
| 305
|
Earthrise
|
20,034
|
667
|
C
|
High
|
| 306
|
Phosgene
|
19,984
|
666
|
B
|
Mid
|
| 307
|
Bisphenol A
|
19,906
|
663
|
GA
|
High
|
| 308
|
Sea level rise
|
19,723
|
657
|
GA
|
High
|
| 309
|
Rainwater harvesting
|
19,663
|
655
|
C
|
Mid
|
| 310
|
Music of the Spheres World Tour
|
19,662
|
655
|
GA
|
Mid
|
| 311
|
United Nations Climate Change Conference
|
19,654
|
655
|
C
|
Unknown
|
| 312
|
Greenwashing
|
19,648
|
654
|
C
|
Mid
|
| 313
|
Milankovitch cycles
|
19,646
|
654
|
B
|
Low
|
| 314
|
Megadiverse countries
|
19,591
|
653
|
Start
|
Mid
|
| 315
|
Habitable zone
|
19,361
|
645
|
B
|
Low
|
| 316
|
Jungle
|
19,320
|
644
|
C
|
Mid
|
| 317
|
Hügelkultur
|
19,294
|
643
|
Start
|
Low
|
| 318
|
Gaia hypothesis
|
19,258
|
641
|
C
|
Low
|
| 319
|
Plastic pollution
|
19,215
|
640
|
B
|
High
|
| 320
|
Sverdlovsk anthrax leak
|
19,202
|
640
|
C
|
Mid
|
| 321
|
Tesla Roadster (second generation)
|
19,182
|
639
|
Start
|
Low
|
| 322
|
Pew Research Center
|
19,158
|
638
|
C
|
Low
|
| 323
|
Aerosol
|
19,063
|
635
|
B
|
High
|
| 324
|
Biological warfare
|
19,061
|
635
|
B
|
High
|
| 325
|
Toyota Mirai
|
18,992
|
633
|
B
|
High
|
| 326
|
Nissan Leaf
|
18,949
|
631
|
B
|
High
|
| 327
|
Solarpunk
|
18,851
|
628
|
B
|
Low
|
| 328
|
Honda Insight
|
18,812
|
627
|
B
|
Low
|
| 329
|
Oil spill
|
18,790
|
626
|
B
|
Low
|
| 330
|
Climate change denial
|
18,692
|
623
|
C
|
High
|
| 331
|
Quality of life
|
18,667
|
622
|
Start
|
Mid
|
| 332
|
Biofuel
|
18,666
|
622
|
C
|
Low
|
| 333
|
Intergovernmental Panel on Climate Change
|
18,636
|
621
|
B
|
High
|
| 334
|
Kyshtym disaster
|
18,499
|
616
|
C
|
High
|
| 335
|
Food security
|
18,498
|
616
|
C
|
Low
|
| 336
|
Patagonia, Inc.
|
18,480
|
616
|
C
|
Low
|
| 337
|
Old-growth forest
|
18,467
|
615
|
C
|
Mid
|
| 338
|
Teratology
|
18,455
|
615
|
C
|
Mid
|
| 339
|
Seawater
|
18,434
|
614
|
C
|
High
|
| 340
|
Warfarin
|
18,260
|
608
|
GA
|
Mid
|
| 341
|
Environmental protection
|
18,174
|
605
|
C
|
Top
|
| 342
|
Electric car use by country
|
18,135
|
604
|
B
|
High
|
| 343
|
Russia and weapons of mass destruction
|
18,111
|
603
|
Start
|
High
|
| 344
|
NIMBY
|
18,107
|
603
|
B
|
Mid
|
| 345
|
Effects of climate change
|
18,095
|
603
|
GA
|
Top
|
| 346
|
Gasoline direct injection
|
18,085
|
602
|
C
|
Mid
|
| 347
|
Earth Summit
|
18,014
|
600
|
Start
|
Low
|
| 348
|
Trade winds
|
18,012
|
600
|
GA
|
Mid
|
| 349
|
Agriculture in India
|
18,003
|
600
|
B
|
High
|
| 350
|
Hanford Site
|
18,000
|
600
|
FA
|
Mid
|
| 351
|
Risk
|
17,952
|
598
|
C
|
High
|
| 352
|
Freon
|
17,861
|
595
|
Start
|
High
|
| 353
|
Snowball Earth
|
17,809
|
593
|
B
|
Low
|
| 354
|
Water scarcity
|
17,797
|
593
|
B
|
High
|
| 355
|
Poaching
|
17,739
|
591
|
B
|
Top
|
| 356
|
Ivanpah Solar Power Facility
|
17,707
|
590
|
C
|
Mid
|
| 357
|
CITES
|
17,629
|
587
|
C
|
Mid
|
| 358
|
Recycling symbol
|
17,417
|
580
|
Start
|
Unknown
|
| 359
|
Global catastrophic risk
|
17,407
|
580
|
B
|
High
|
| 360
|
Erosion
|
17,275
|
575
|
C
|
High
|
| 361
|
Carbon capture and storage
|
17,224
|
574
|
C
|
Mid
|
| 362
|
Ecotourism
|
17,221
|
574
|
C
|
High
|
| 363
|
Carbon tax
|
17,183
|
572
|
C
|
High
|
| 364
|
Concentrated solar power
|
17,172
|
572
|
C
|
High
|
| 365
|
Climate engineering
|
17,165
|
572
|
B
|
Mid
|
| 366
|
United Nations Environment Programme
|
17,095
|
569
|
B
|
Mid
|
| 367
|
Honda CR-Z
|
17,068
|
568
|
Start
|
Mid
|
| 368
|
History of the electric vehicle
|
17,015
|
567
|
B
|
Unknown
|
| 369
|
Last Glacial Maximum
|
17,012
|
567
|
C
|
Mid
|
| 370
|
Economic growth
|
16,905
|
563
|
B
|
Unknown
|
| 371
|
Combined Charging System
|
16,881
|
562
|
Start
|
Mid
|
| 372
|
William Kamkwamba
|
16,864
|
562
|
C
|
Unknown
|
| 373
|
Environmental science
|
16,860
|
562
|
C
|
Unknown
|
| 374
|
An Inconvenient Truth
|
16,857
|
561
|
GA
|
Mid
|
| 375
|
Aquaculture
|
16,806
|
560
|
B
|
Low
|
| 376
|
Incineration
|
16,654
|
555
|
B
|
Mid
|
| 377
|
Biogas
|
16,653
|
555
|
C
|
Mid
|
| 378
|
Chevrolet Volt
|
16,640
|
554
|
B
|
High
|
| 379
|
Electronic waste
|
16,623
|
554
|
C
|
Unknown
|
| 380
|
Montreal Protocol
|
16,618
|
553
|
B
|
High
|
| 381
|
Wastewater treatment
|
16,603
|
553
|
C
|
High
|
| 382
|
Ecosia
|
16,589
|
552
|
C
|
Low
|
| 383
|
Permafrost
|
16,576
|
552
|
GA
|
Low
|
| 384
|
Carbon cycle
|
16,556
|
551
|
B
|
High
|
| 385
|
Bushmeat
|
16,554
|
551
|
C
|
Mid
|
| 386
|
Herbicide
|
16,540
|
551
|
C
|
High
|
| 387
|
Food web
|
16,517
|
550
|
B
|
High
|
| 388
|
List of countries by carbon dioxide emissions
|
16,507
|
550
|
List
|
Mid
|
| 389
|
Hinkley Point C nuclear power station
|
16,483
|
549
|
C
|
Mid
|
| 390
|
Susan Collins
|
16,481
|
549
|
C
|
Low
|
| 391
|
Tetraethyllead
|
16,438
|
547
|
C
|
High
|
| 392
|
World Environment Day
|
16,423
|
547
|
C
|
High
|
| 393
|
Doomer
|
16,380
|
546
|
Start
|
Low
|
| 394
|
Millennium Development Goals
|
16,377
|
545
|
B
|
Mid
|
| 395
|
Will Attenborough
|
16,331
|
544
|
Start
|
Low
|
| 396
|
High-occupancy vehicle lane
|
16,245
|
541
|
C
|
High
|
| 397
|
Wendell Berry
|
16,142
|
538
|
B
|
Unknown
|
| 398
|
Biosphere
|
16,034
|
534
|
C
|
High
|
| 399
|
Aflatoxin
|
16,014
|
533
|
B
|
High
|
| 400
|
Superfund
|
16,013
|
533
|
B
|
Low
|
| 401
|
Hybrid electric vehicle
|
15,960
|
532
|
B
|
Mid
|
| 402
|
The Honest Company
|
15,872
|
529
|
Start
|
Low
|
| 403
|
Flow cytometry
|
15,748
|
524
|
C
|
Low
|
| 404
|
Smokey Bear
|
15,639
|
521
|
B
|
Mid
|
| 405
|
Keystone species
|
15,632
|
521
|
GA
|
Mid
|
| 406
|
Deb Haaland
|
15,631
|
521
|
B
|
Low
|
| 407
|
Biodiesel
|
15,497
|
516
|
C
|
Low
|
| 408
|
General Motors EV1
|
15,477
|
515
|
B
|
Top
|
| 409
|
Political positions of the Republican Party (United States)
|
15,458
|
515
|
C
|
Mid
|
| 410
|
Habitat
|
15,449
|
514
|
GA
|
High
|
| 411
|
North American Charging Standard
|
15,424
|
514
|
C
|
Mid
|
| 412
|
Cancer Alley
|
15,421
|
514
|
C
|
High
|
| 413
|
Water distribution on Earth
|
15,393
|
513
|
Start
|
Unknown
|
| 414
|
Styrene
|
15,388
|
512
|
Start
|
High
|
| 415
|
Land reclamation
|
15,328
|
510
|
C
|
Mid
|
| 416
|
Lotus Evija
|
15,323
|
510
|
C
|
Low
|
| 417
|
Environmental degradation
|
15,294
|
509
|
C
|
Top
|
| 418
|
Pastoralism
|
15,256
|
508
|
C
|
Mid
|
| 419
|
Keystone Pipeline
|
15,256
|
508
|
C
|
Mid
|
| 420
|
Great Stink
|
15,190
|
506
|
FA
|
Low
|
| 421
|
Lignite
|
15,155
|
505
|
C
|
High
|
| 422
|
Water purification
|
15,153
|
505
|
B
|
High
|
| 423
|
Nio Inc.
|
15,151
|
505
|
Start
|
Low
|
| 424
|
Radioactive waste
|
15,146
|
504
|
B
|
High
|
| 425
|
Water conservation
|
15,111
|
503
|
C
|
High
|
| 426
|
Toyota bZ4X
|
15,108
|
503
|
C
|
Low
|
| 427
|
Daigo Fukuryū Maru
|
15,009
|
500
|
C
|
Mid
|
| 428
|
Sustainable energy
|
14,960
|
498
|
FA
|
High
|
| 429
|
History of Tesla, Inc.
|
14,935
|
497
|
C
|
Low
|
| 430
|
Slag
|
14,912
|
497
|
C
|
Mid
|
| 431
|
Decline in insect populations
|
14,876
|
495
|
C
|
High
|
| 432
|
Recycling codes
|
14,872
|
495
|
Start
|
Unknown
|
| 433
|
Extinction Rebellion
|
14,828
|
494
|
B
|
High
|
| 434
|
Non-renewable resource
|
14,775
|
492
|
C
|
High
|
| 435
|
Light pollution
|
14,742
|
491
|
C
|
Unknown
|
| 436
|
Prairie
|
14,724
|
490
|
B
|
Mid
|
| 437
|
Omar Fayed
|
14,689
|
489
|
Start
|
Unknown
|
| 438
|
Nuclear power in the United States
|
14,642
|
488
|
C
|
High
|
| 439
|
New 7 Wonders of Nature
|
14,617
|
487
|
Start
|
Unknown
|
| 440
|
List of countries by carbon dioxide emissions per capita
|
14,559
|
485
|
List
|
High
|
| 441
|
Vulnerable species
|
14,535
|
484
|
Start
|
Mid
|
| 442
|
Life-cycle assessment
|
14,527
|
484
|
B
|
Top
|
| 443
|
Alpha decay
|
14,470
|
482
|
C
|
Mid
|
| 444
|
Petrochemical
|
14,455
|
481
|
Start
|
High
|
| 445
|
Rechargeable battery
|
14,434
|
481
|
C
|
High
|
| 446
|
Cape Town water crisis
|
14,394
|
479
|
B
|
Low
|
| 447
|
Tropical savanna climate
|
14,368
|
478
|
Start
|
Mid
|
| 448
|
Yucca Mountain nuclear waste repository
|
14,340
|
478
|
C
|
Low
|
| 449
|
BYD Seal
|
14,334
|
477
|
Stub
|
Unknown
|
| 450
|
Nuclear testing at Bikini Atoll
|
14,331
|
477
|
B
|
High
|
| 451
|
Hooker Chemical Company
|
14,291
|
476
|
C
|
Mid
|
| 452
|
Circular economy
|
14,257
|
475
|
Start
|
Mid
|
| 453
|
Simple living
|
14,244
|
474
|
Start
|
Unknown
|
| 454
|
Hyundai Ioniq 5
|
14,087
|
469
|
Start
|
Low
|
| 455
|
Global warming potential
|
14,060
|
468
|
C
|
Low
|
| 456
|
Motor oil
|
14,036
|
467
|
C
|
Low
|
| 457
|
South Africa and weapons of mass destruction
|
14,022
|
467
|
Start
|
Mid
|
| 458
|
Neurotoxin
|
14,012
|
467
|
B
|
High
|
| 459
|
Ecofascism
|
14,008
|
466
|
B
|
Mid
|
| 460
|
Waste
|
13,982
|
466
|
C
|
Top
|
| 461
|
Ford Mustang Mach-E
|
13,978
|
465
|
Start
|
Low
|
| 462
|
List of environmental dates
|
13,973
|
465
|
List
|
Mid
|
| 463
|
Ramsar Convention
|
13,958
|
465
|
C
|
Mid
|
| 464
|
Sanitation
|
13,863
|
462
|
B
|
High
|
| 465
|
List of natural phenomena
|
13,846
|
461
|
Stub
|
Unknown
|
| 466
|
Hinkley groundwater contamination
|
13,794
|
459
|
Start
|
Low
|
| 467
|
Three Mile Island Nuclear Generating Station
|
13,783
|
459
|
C
|
High
|
| 468
|
Wangarĩ Maathai
|
13,768
|
458
|
B
|
High
|
| 469
|
Toyota Prius Plug-in Hybrid
|
13,743
|
458
|
B
|
Mid
|
| 470
|
Comprehensive Nuclear-Test-Ban Treaty
|
13,692
|
456
|
Start
|
High
|
| 471
|
Hydrogen production
|
13,683
|
456
|
C
|
Mid
|
| 472
|
Sellafield
|
13,671
|
455
|
B
|
High
|
| 473
|
Smog
|
13,647
|
454
|
B
|
Mid
|
| 474
|
Regenerative agriculture
|
13,623
|
454
|
C
|
Low
|
| 475
|
List of countries by renewable electricity production
|
13,544
|
451
|
List
|
Mid
|
| 476
|
Plutonium-239
|
13,532
|
451
|
C
|
Mid
|
| 477
|
LEED
|
13,526
|
450
|
C
|
High
|
| 478
|
Agenda 21
|
13,496
|
449
|
C
|
High
|
| 479
|
Renault Twizy
|
13,484
|
449
|
C
|
High
|
| 480
|
Dioxins and dioxin-like compounds
|
13,482
|
449
|
C
|
Low
|
| 481
|
Breeder reactor
|
13,433
|
447
|
C
|
Low
|
| 482
|
Solar power by country
|
13,411
|
447
|
C
|
High
|
| 483
|
Polestar 2
|
13,407
|
446
|
C
|
Low
|
| 484
|
Photovoltaic system
|
13,370
|
445
|
C
|
Mid
|
| 485
|
Atlantic meridional overturning circulation
|
13,363
|
445
|
C
|
Low
|
| 486
|
Environmentalism
|
13,310
|
443
|
B
|
Top
|
| 487
|
Nikola Corporation
|
13,291
|
443
|
C
|
Unknown
|
| 488
|
Subarctic climate
|
13,219
|
440
|
C
|
Low
|
| 489
|
Shade ball
|
13,176
|
439
|
C
|
Unknown
|
| 490
|
The World Without Us
|
13,171
|
439
|
FA
|
Low
|
| 491
|
Rodenticide
|
13,115
|
437
|
C
|
Mid
|
| 492
|
Insecticide
|
13,100
|
436
|
C
|
High
|
| 493
|
Fukushima Daiichi Nuclear Power Plant
|
13,100
|
436
|
C
|
High
|
| 494
|
Carbon pricing in Canada
|
13,093
|
436
|
C
|
Low
|
| 495
|
Rivian R1T
|
13,079
|
435
|
Start
|
Low
|
| 496
|
Biodiversity hotspot
|
13,049
|
434
|
Start
|
Mid
|
| 497
|
Planet Earth III
|
13,044
|
434
|
Unknown
|
Low
|
| 498
|
Chemical weapon
|
13,000
|
433
|
C
|
High
|
| 499
|
Toyota Aqua
|
12,960
|
432
|
Start
|
Low
|
| 500
|
History of nuclear weapons
|
12,955
|
431
|
C
|
High
|
| 501
|
Pumped-storage hydroelectricity
|
12,930
|
431
|
B
|
Unknown
|
| 502
|
Oxy-fuel welding and cutting
|
12,898
|
429
|
B
|
Unknown
|
| 503
|
Trichloroethylene
|
12,882
|
429
|
B
|
Mid
|
| 504
|
Subsidy
|
12,871
|
429
|
C
|
Mid
|
| 505
|
The Limits to Growth
|
12,860
|
428
|
B
|
Low
|
| 506
|
Carbon sequestration
|
12,860
|
428
|
B
|
High
|
| 507
|
Nuclear arms race
|
12,833
|
427
|
B
|
High
|
| 508
|
Human overpopulation
|
12,780
|
426
|
C
|
High
|
| 509
|
Hydropower
|
12,749
|
424
|
C
|
Unknown
|
| 510
|
Anne Hidalgo
|
12,737
|
424
|
C
|
Low
|
| 511
|
Subsistence agriculture
|
12,723
|
424
|
C
|
Low
|
| 512
|
Windcatcher
|
12,710
|
423
|
B
|
Low
|
| 513
|
Sustainable agriculture
|
12,617
|
420
|
C
|
High
|
| 514
|
Environmental movement
|
12,610
|
420
|
B
|
High
|
| 515
|
Diesel particulate filter
|
12,602
|
420
|
C
|
Mid
|
| 516
|
African humid period
|
12,574
|
419
|
GA
|
Low
|
| 517
|
Great Green Wall (Africa)
|
12,520
|
417
|
Start
|
Mid
|
| 518
|
China and weapons of mass destruction
|
12,474
|
415
|
C
|
High
|
| 519
|
Stratospheric aerosol injection
|
12,445
|
414
|
C
|
High
|
| 520
|
Extremophile
|
12,423
|
414
|
C
|
Mid
|
| 521
|
Perfluorooctanesulfonic acid
|
12,391
|
413
|
Start
|
Mid
|
| 522
|
Toxicity
|
12,355
|
411
|
C
|
High
|
| 523
|
Renewable resource
|
12,350
|
411
|
Start
|
Mid
|
| 524
|
Polycyclic aromatic hydrocarbon
|
12,328
|
410
|
B
|
High
|
| 525
|
Earth Hour
|
12,325
|
410
|
C
|
Mid
|
| 526
|
Murray Bookchin
|
12,307
|
410
|
B
|
Unknown
|
| 527
|
Kuwaiti oil fires
|
12,298
|
409
|
C
|
High
|
| 528
|
Views of Elon Musk
|
12,296
|
409
|
B
|
Low
|
| 529
|
Arable land
|
12,275
|
409
|
C
|
High
|
| 530
|
Rolls-Royce Spectre
|
12,268
|
408
|
Start
|
Low
|
| 531
|
Urban heat island
|
12,258
|
408
|
B
|
Mid
|
| 532
|
Chevrolet Bolt
|
12,258
|
408
|
Start
|
High
|
| 533
|
Hexavalent chromium
|
12,240
|
408
|
B
|
High
|
| 534
|
GMC Hummer EV
|
12,223
|
407
|
C
|
Low
|
| 535
|
Organic food
|
12,199
|
406
|
C
|
Mid
|
| 536
|
Dartmoor
|
12,194
|
406
|
C
|
Unknown
|
| 537
|
Organophosphate
|
12,173
|
405
|
C
|
High
|
| 538
|
Arsenic poisoning
|
12,102
|
403
|
B
|
High
|
| 539
|
Acrylamide
|
12,064
|
402
|
B
|
Mid
|
| 540
|
List of Superfund sites
|
12,046
|
401
|
List
|
Mid
|
| 541
|
Sewage
|
12,044
|
401
|
C
|
Unknown
|
| 542
|
Slash-and-burn
|
12,039
|
401
|
C
|
Mid
|
| 543
|
Marine life
|
12,017
|
400
|
B
|
High
|
| 544
|
Family planning
|
12,004
|
400
|
B
|
Low
|
| 545
|
Ship breaking
|
11,980
|
399
|
Stub
|
Unknown
|
| 546
|
Soil contamination
|
11,968
|
398
|
C
|
Mid
|
| 547
|
NOx
|
11,947
|
398
|
Start
|
Low
|
| 548
|
Ramsar site
|
11,935
|
397
|
Start
|
High
|
| 549
|
Sinclair C5
|
11,933
|
397
|
GA
|
Low
|
| 550
|
Natural history
|
11,926
|
397
|
C
|
High
|
| 551
|
Solar power in India
|
11,920
|
397
|
C
|
Mid
|
| 552
|
Aquatic ecosystem
|
11,912
|
397
|
C
|
High
|
| 553
|
Convention on Biological Diversity
|
11,877
|
395
|
C
|
High
|
| 554
|
Petroleum industry
|
11,871
|
395
|
C
|
High
|
| 555
|
Solar-cell efficiency
|
11,852
|
395
|
B
|
High
|
| 556
|
Mate Rimac
|
11,821
|
394
|
Start
|
Low
|
| 557
|
Anthropocentrism
|
11,769
|
392
|
C
|
High
|
| 558
|
IARC group 1 Carcinogens
|
11,753
|
391
|
List
|
High
|
| 559
|
Wind farm
|
11,746
|
391
|
B
|
High
|
| 560
|
Perovskite solar cell
|
11,732
|
391
|
C
|
Mid
|
| 561
|
David Suzuki
|
11,728
|
390
|
B
|
Unknown
|
| 562
|
Introduced species
|
11,720
|
390
|
B
|
Mid
|
| 563
|
Yvon Chouinard
|
11,715
|
390
|
Start
|
Unknown
|
| 564
|
Conspicuous consumption
|
11,706
|
390
|
B
|
Low
|
| 565
|
Medieval Warm Period
|
11,697
|
389
|
C
|
Low
|
| 566
|
Dust
|
11,690
|
389
|
C
|
Low
|
| 567
|
School Strike for Climate
|
11,678
|
389
|
C
|
Mid
|
| 568
|
Chemical warfare
|
11,651
|
388
|
C
|
High
|
| 569
|
Ultra Low Emission Zone
|
11,650
|
388
|
C
|
Low
|
| 570
|
Climate change mitigation
|
11,639
|
387
|
C
|
High
|
| 571
|
Water treatment
|
11,631
|
387
|
Start
|
Unknown
|
| 572
|
Harmful algal bloom
|
11,622
|
387
|
C
|
Mid
|
| 573
|
Environmental impact assessment
|
11,586
|
386
|
C
|
Top
|
| 574
|
Forest of Dean
|
11,562
|
385
|
C
|
Mid
|
| 575
|
Particulates
|
11,556
|
385
|
B
|
High
|
| 576
|
Firestorm
|
11,555
|
385
|
C
|
Mid
|
| 577
|
Destruction of the Kakhovka Dam
|
11,548
|
384
|
C
|
Mid
|
| 578
|
Net zero emissions
|
11,521
|
384
|
C
|
Mid
|
| 579
|
European Green Deal
|
11,478
|
382
|
C
|
Low
|
| 580
|
Zone rouge
|
11,471
|
382
|
Start
|
Mid
|
| 581
|
Timeline of first images of Earth from space
|
11,468
|
382
|
List
|
Low
|
| 582
|
Vandana Shiva
|
11,455
|
381
|
B
|
Mid
|
| 583
|
Phthalates
|
11,455
|
381
|
Start
|
High
|
| 584
|
Windscale fire
|
11,453
|
381
|
B
|
Mid
|
| 585
|
WM (Waste Management) (company)
|
11,452
|
381
|
Start
|
Low
|
| 586
|
SolarCity
|
11,452
|
381
|
B
|
High
|
| 587
|
Freedom to roam
|
11,422
|
380
|
C
|
Mid
|
| 588
|
Environment Protection Act, 1986
|
11,422
|
380
|
Start
|
Low
|
| 589
|
Indian Point Energy Center
|
11,421
|
380
|
B
|
Mid
|
| 590
|
Biomass (energy)
|
11,382
|
379
|
C
|
Mid
|
| 591
|
Sea Shepherd Conservation Society
|
11,373
|
379
|
B
|
Unknown
|
| 592
|
SL-1
|
11,364
|
378
|
B
|
Mid
|
| 593
|
Crankcase ventilation system
|
11,317
|
377
|
C
|
Low
|
| 594
|
BMW i4
|
11,315
|
377
|
Start
|
High
|
| 595
|
2,4-Dichlorophenoxyacetic acid
|
11,312
|
377
|
C
|
Mid
|
| 596
|
Green New Deal
|
11,309
|
376
|
C
|
Low
|
| 597
|
Liquid hydrogen
|
11,308
|
376
|
Start
|
Unknown
|
| 598
|
Eco-terrorism
|
11,288
|
376
|
C
|
High
|
| 599
|
Toxin
|
11,273
|
375
|
Start
|
High
|
| 600
|
Flexible-fuel vehicle
|
11,265
|
375
|
C
|
High
|
| 601
|
Ecofeminism
|
11,240
|
374
|
B
|
High
|
| 602
|
Coral bleaching
|
11,231
|
374
|
C
|
High
|
| 603
|
Dirty bomb
|
11,226
|
374
|
C
|
Mid
|
| 604
|
Habitat destruction
|
11,209
|
373
|
C
|
High
|
| 605
|
Toxicology
|
11,190
|
373
|
C
|
Mid
|
| 606
|
NASA Clean Air Study
|
11,176
|
372
|
Start
|
Mid
|
| 607
|
Volkswagen ID.4
|
11,171
|
372
|
C
|
Unknown
|
| 608
|
Overfishing
|
11,166
|
372
|
B
|
High
|
| 609
|
Van Jones
|
11,141
|
371
|
C
|
High
|
| 610
|
Anaerobic digestion
|
11,136
|
371
|
C
|
High
|
| 611
|
Electric bicycle
|
11,055
|
368
|
C
|
Mid
|
| 612
|
World Water Day
|
11,032
|
367
|
C
|
Unknown
|
| 613
|
Battery electric vehicle
|
11,013
|
367
|
C
|
Mid
|
| 614
|
Ethanol fuel
|
10,987
|
366
|
B
|
High
|
| 615
|
100 of the World's Worst Invasive Alien Species
|
10,985
|
366
|
List
|
Low
|
| 616
|
Pininfarina Battista
|
10,945
|
364
|
Start
|
Low
|
| 617
|
Radioactive contamination
|
10,935
|
364
|
C
|
High
|
| 618
|
Environmental effects of mining
|
10,925
|
364
|
C
|
Unknown
|
| 619
|
Representative Concentration Pathway
|
10,906
|
363
|
C
|
Mid
|
| 620
|
Hydrogenation
|
10,884
|
362
|
B
|
Unknown
|
| 621
|
John Thune
|
10,873
|
362
|
C
|
Low
|
| 622
|
Bharat stage emission standards
|
10,855
|
361
|
C
|
Low
|
| 623
|
Camp Lejeune water contamination
|
10,853
|
361
|
Start
|
Unknown
|
| 624
|
XPeng
|
10,836
|
361
|
Start
|
Low
|
| 625
|
Nuclear proliferation
|
10,826
|
360
|
C
|
High
|
| 626
|
Charging station
|
10,788
|
359
|
B
|
High
|
| 627
|
Tidal power
|
10,758
|
358
|
B
|
Mid
|
| 628
|
List of most-polluted cities by particulate matter concentration
|
10,705
|
356
|
List
|
High
|
| 629
|
Pesticide poisoning
|
10,682
|
356
|
C
|
High
|
| 630
|
How to Blow Up a Pipeline (film)
|
10,673
|
355
|
GA
|
Low
|
| 631
|
Underground nuclear weapons testing
|
10,652
|
355
|
B
|
Unknown
|
| 632
|
Environmental law
|
10,642
|
354
|
C
|
High
|
| 633
|
Oil sands
|
10,639
|
354
|
C
|
Mid
|
| 634
|
Australian Greens
|
10,609
|
353
|
B
|
Unknown
|
| 635
|
BYD Dolphin
|
10,592
|
353
|
C
|
Low
|
| 636
|
RDS-1
|
10,589
|
352
|
C
|
High
|
| 637
|
Nio EP9
|
10,559
|
351
|
Start
|
Unknown
|
| 638
|
Nuclear power in the United Kingdom
|
10,558
|
351
|
B
|
Mid
|
| 639
|
Steam reforming
|
10,557
|
351
|
Start
|
Unknown
|
| 640
|
Scientific consensus on climate change
|
10,555
|
351
|
C
|
High
|
| 641
|
Clean Air Act (United States)
|
10,516
|
350
|
Start
|
Low
|
| 642
|
Chemical industry
|
10,473
|
349
|
Start
|
High
|
| 643
|
Treaty on the Prohibition of Nuclear Weapons
|
10,473
|
349
|
C
|
Mid
|
| 644
|
Globally Harmonized System of Classification and Labelling of Chemicals
|
10,471
|
349
|
C
|
Mid
|
| 645
|
Vinyl chloride
|
10,469
|
348
|
B
|
Mid
|
| 646
|
Diethylstilbestrol
|
10,467
|
348
|
B
|
High
|
| 647
|
Green building
|
10,452
|
348
|
B
|
Unknown
|
| 648
|
Cesspit
|
10,447
|
348
|
C
|
Low
|
| 649
|
Benjamin Bronfman
|
10,427
|
347
|
Start
|
Low
|
| 650
|
Global temperature record
|
10,420
|
347
|
C
|
Unknown
|
| 651
|
Bioplastic
|
10,346
|
344
|
Start
|
Mid
|
| 652
|
Ford C-Max
|
10,288
|
342
|
C
|
High
|
| 653
|
Wicked problem
|
10,274
|
342
|
C
|
Mid
|
| 654
|
Biological agent
|
10,261
|
342
|
C
|
High
|
| 655
|
Pollution of the Ganges
|
10,221
|
340
|
C
|
Unknown
|
| 656
|
Mycotoxin
|
10,209
|
340
|
C
|
Mid
|
| 657
|
Partial Nuclear Test Ban Treaty
|
10,127
|
337
|
GA
|
High
|
| 658
|
World energy supply and consumption
|
10,104
|
336
|
C
|
Top
|
| 659
|
Food safety
|
10,096
|
336
|
C
|
Mid
|
| 660
|
RNA interference
|
10,094
|
336
|
FA
|
High
|
| 661
|
On Deadly Ground
|
10,079
|
335
|
Start
|
Low
|
| 662
|
Jaguar C-X75
|
10,078
|
335
|
B
|
Mid
|
| 663
|
Bioremediation
|
10,052
|
335
|
Start
|
Mid
|
| 664
|
Marine biology
|
10,003
|
333
|
C
|
High
|
| 665
|
Andasol solar power station
|
10,003
|
333
|
Start
|
Unknown
|
| 666
|
Once Upon a Forest
|
9,948
|
331
|
C
|
Unknown
|
| 667
|
Green economy
|
9,923
|
330
|
Start
|
Mid
|
| 668
|
Just Stop Oil
|
9,896
|
329
|
B
|
Low
|
| 669
|
Green hydrogen
|
9,892
|
329
|
C
|
Low
|
| 670
|
BYD Qin
|
9,870
|
329
|
Start
|
High
|
| 671
|
Lisa Harrow
|
9,824
|
327
|
C
|
Low
|
| 672
|
Tesla Powerwall
|
9,806
|
326
|
C
|
High
|
| 673
|
Biomagnification
|
9,785
|
326
|
Start
|
Mid
|
| 674
|
Green politics
|
9,731
|
324
|
C
|
Low
|
| 675
|
Terrestrial animal
|
9,724
|
324
|
Start
|
High
|
| 676
|
Fipronil
|
9,712
|
323
|
Start
|
Mid
|
| 677
|
Extreme weather
|
9,680
|
322
|
C
|
Mid
|
| 678
|
Greywater
|
9,675
|
322
|
Start
|
Unknown
|
| 679
|
Toyota Prius C
|
9,659
|
321
|
C
|
High
|
| 680
|
Diablo Canyon Power Plant
|
9,644
|
321
|
Start
|
Mid
|
| 681
|
Edward Abbey
|
9,630
|
321
|
B
|
Mid
|
| 682
|
George Monbiot
|
9,615
|
320
|
Start
|
Unknown
|
| 683
|
Endocrine disruptor
|
9,603
|
320
|
C
|
High
|
| 684
|
Sustainable living
|
9,599
|
319
|
B
|
High
|
| 685
|
BYD Atto 3
|
9,578
|
319
|
Start
|
Low
|
| 686
|
Restriction of Hazardous Substances Directive
|
9,550
|
318
|
C
|
Mid
|
| 687
|
Environmentally friendly
|
9,546
|
318
|
Start
|
Low
|
| 688
|
Coal-fired power station
|
9,516
|
317
|
C
|
High
|
| 689
|
Ford F-150 Lightning
|
9,479
|
315
|
Start
|
Mid
|
| 690
|
Nature reserve
|
9,456
|
315
|
C
|
Mid
|
| 691
|
Biological pest control
|
9,444
|
314
|
GA
|
High
|
| 692
|
Plastic recycling
|
9,432
|
314
|
C
|
High
|
| 693
|
Biodegradable plastic
|
9,417
|
313
|
C
|
Mid
|
| 694
|
Atrazine
|
9,400
|
313
|
Start
|
High
|
| 695
|
Atmospheric water generator
|
9,392
|
313
|
Start
|
Low
|
| 696
|
Baraka (film)
|
9,382
|
312
|
Start
|
Unknown
|
| 697
|
Effects of the Chernobyl disaster
|
9,372
|
312
|
C
|
High
|
| 698
|
List of environmental organizations
|
9,349
|
311
|
List
|
Top
|
| 699
|
Deep ecology
|
9,345
|
311
|
C
|
Low
|
| 700
|
Green Party (Ireland)
|
9,319
|
310
|
C
|
Unknown
|
| 701
|
Honda e
|
9,300
|
310
|
C
|
Low
|
| 702
|
Tropical monsoon climate
|
9,291
|
309
|
Start
|
Low
|
| 703
|
Food loss and waste
|
9,287
|
309
|
B
|
Mid
|
| 704
|
Algal bloom
|
9,281
|
309
|
B
|
Low
|
| 705
|
Soot
|
9,275
|
309
|
C
|
Mid
|
| 706
|
Environmental engineering
|
9,266
|
308
|
C
|
Top
|
| 707
|
C40 Cities Climate Leadership Group
|
9,214
|
307
|
Start
|
Low
|
| 708
|
Intensive farming
|
9,200
|
306
|
C
|
High
|
| 709
|
Nuclear fuel
|
9,200
|
306
|
B
|
High
|
| 710
|
Brownfield land
|
9,170
|
305
|
C
|
Unknown
|
| 711
|
Dakota Access Pipeline protests
|
9,128
|
304
|
C
|
Low
|
| 712
|
Atmospheric circulation
|
9,095
|
303
|
Start
|
High
|
| 713
|
Zeekr 001
|
9,086
|
302
|
C
|
Low
|
| 714
|
Jim Banks
|
9,074
|
302
|
C
|
Low
|
| 715
|
List of BYD Auto vehicles
|
9,029
|
300
|
List
|
Low
|
| 716
|
Toyota Camry (XV50)
|
9,016
|
300
|
C
|
Mid
|
| 717
|
Soil conservation
|
9,004
|
300
|
B
|
High
|
| 718
|
Chlorpyrifos
|
8,989
|
299
|
C
|
Mid
|
| 719
|
International Solar Alliance
|
8,989
|
299
|
C
|
Mid
|
| 720
|
Environmental studies
|
8,983
|
299
|
Start
|
High
|
| 721
|
Safe (1995 film)
|
8,975
|
299
|
Start
|
Unknown
|
| 722
|
Bioethics
|
8,973
|
299
|
Start
|
Mid
|
| 723
|
Dersu Uzala (1975 film)
|
8,973
|
299
|
Start
|
Low
|
| 724
|
Ministry of Environment, Forest and Climate Change
|
8,971
|
299
|
Start
|
High
|
| 725
|
Sierra Club
|
8,968
|
298
|
B
|
Mid
|
| 726
|
Carrying capacity
|
8,967
|
298
|
C
|
Mid
|
| 727
|
Offshore wind power
|
8,946
|
298
|
B
|
Mid
|
| 728
|
Enewetak Atoll
|
8,937
|
297
|
Start
|
Mid
|
| 729
|
Climate of South Africa
|
8,921
|
297
|
Start
|
Low
|
| 730
|
Thionyl chloride
|
8,920
|
297
|
B
|
Mid
|
| 731
|
Rainforest Alliance
|
8,910
|
297
|
C
|
Mid
|
| 732
|
Tracy Somerset, Duchess of Beaufort
|
8,908
|
296
|
Start
|
Low
|
| 733
|
Exxon Valdez
|
8,892
|
296
|
Start
|
High
|
| 734
|
Volkswagen 1-litre car
|
8,883
|
296
|
C
|
High
|
| 735
|
Environmental justice
|
8,841
|
294
|
C
|
Low
|
| 736
|
Endangered Species Act of 1973
|
8,826
|
294
|
C
|
High
|
| 737
|
Ocean acidification
|
8,826
|
294
|
B
|
Unknown
|
| 738
|
Cigarette filter
|
8,820
|
294
|
Start
|
High
|
| 739
|
Judas goat
|
8,809
|
293
|
C
|
Low
|
| 740
|
Smoke
|
8,808
|
293
|
C
|
Mid
|
| 741
|
Climate classification
|
8,791
|
293
|
Stub
|
Low
|
| 742
|
Solar inverter
|
8,769
|
292
|
C
|
Low
|
| 743
|
Ecosystem service
|
8,737
|
291
|
Start
|
Unknown
|
| 744
|
Ora Good Cat
|
8,661
|
288
|
Start
|
Low
|
| 745
|
Sick building syndrome
|
8,651
|
288
|
Start
|
Mid
|
| 746
|
Solar radiation modification
|
8,613
|
287
|
C
|
Low
|
| 747
|
Clean Water Act
|
8,594
|
286
|
B
|
High
|
| 748
|
Timeline of glaciation
|
8,582
|
286
|
List
|
Unknown
|
| 749
|
Triple bottom line
|
8,578
|
285
|
C
|
High
|
| 750
|
Space-based solar power
|
8,568
|
285
|
B
|
Unknown
|
| 751
|
Build Back Better Plan
|
8,568
|
285
|
C
|
Low
|
| 752
|
Methyl tert-butyl ether
|
8,561
|
285
|
B
|
Mid
|
| 753
|
List of largest hydroelectric power stations
|
8,543
|
284
|
C
|
Unknown
|
| 754
|
Near-threatened species
|
8,536
|
284
|
Start
|
Mid
|
| 755
|
Hydrosphere
|
8,500
|
283
|
C
|
High
|
| 756
|
Land degradation
|
8,497
|
283
|
C
|
Mid
|
| 757
|
Kuznets curve
|
8,483
|
282
|
B
|
Mid
|
| 758
|
Fuel cell vehicle
|
8,475
|
282
|
Start
|
Unknown
|
| 759
|
Water supply
|
8,460
|
282
|
C
|
High
|
| 760
|
Anaerobic respiration
|
8,423
|
280
|
Start
|
Unknown
|
| 761
|
Toyota Prius V
|
8,423
|
280
|
C
|
High
|
| 762
|
History of the petroleum industry
|
8,418
|
280
|
C
|
Low
|
| 763
|
Patterns in nature
|
8,415
|
280
|
GA
|
Low
|
| 764
|
Whole Earth Catalog
|
8,404
|
280
|
B
|
Low
|
| 765
|
Life on Our Planet
|
8,395
|
279
|
Start
|
Low
|
| 766
|
Gallium arsenide
|
8,392
|
279
|
C
|
Mid
|
| 767
|
Dimethylmercury
|
8,380
|
279
|
C
|
Mid
|
| 768
|
Gas flare
|
8,375
|
279
|
Start
|
Unknown
|
| 769
|
Nuclear disarmament
|
8,366
|
278
|
C
|
Top
|
| 770
|
Afforestation
|
8,351
|
278
|
C
|
Mid
|
| 771
|
Hydrogen economy
|
8,319
|
277
|
B
|
High
|
| 772
|
Surface runoff
|
8,269
|
275
|
C
|
Low
|
| 773
|
List of battery electric vehicles
|
8,266
|
275
|
List
|
Mid
|
| 774
|
Renewable energy in India
|
8,260
|
275
|
B
|
High
|
| 775
|
Karma Revero
|
8,238
|
274
|
Start
|
Mid
|
| 776
|
JBS S.A.
|
8,234
|
274
|
C
|
Low
|
| 777
|
Genetic diversity
|
8,220
|
274
|
C
|
Mid
|
| 778
|
Carbon emission trading
|
8,203
|
273
|
B
|
Low
|
| 779
|
E85
|
8,197
|
273
|
C
|
Unknown
|
| 780
|
Campaign for Nuclear Disarmament
|
8,196
|
273
|
B
|
Mid
|
| 781
|
Robin Wall Kimmerer
|
8,184
|
272
|
C
|
Low
|
| 782
|
Right to repair
|
8,161
|
272
|
C
|
Unknown
|
| 783
|
Planetary boundaries
|
8,153
|
271
|
B
|
High
|
| 784
|
Heat recovery ventilation
|
8,120
|
270
|
C
|
Low
|
| 785
|
Limelight
|
8,117
|
270
|
Start
|
Unknown
|
| 786
|
Rolling coal
|
8,114
|
270
|
C
|
Low
|
| 787
|
Climate variability and change
|
8,104
|
270
|
C
|
Top
|
| 788
|
Hydrogen embrittlement
|
8,070
|
269
|
Start
|
Mid
|
| 789
|
Air pollution in India
|
8,063
|
268
|
C
|
Mid
|
| 790
|
Vegetation
|
8,053
|
268
|
C
|
Mid
|
| 791
|
Brundtland Commission
|
8,041
|
268
|
Start
|
Unknown
|
| 792
|
Flow battery
|
8,022
|
267
|
B
|
Mid
|
| 793
|
Jim Inhofe
|
7,974
|
265
|
B
|
Low
|
| 794
|
Electric aircraft
|
7,973
|
265
|
C
|
Unknown
|
| 795
|
Climate of Antarctica
|
7,962
|
265
|
C
|
High
|
| 796
|
Biodiversity loss
|
7,954
|
265
|
C
|
Mid
|
| 797
|
Toyota Prius (XW30)
|
7,939
|
264
|
B
|
Unknown
|
| 798
|
Sustainable Development Goal 13
|
7,930
|
264
|
C
|
Mid
|
| 799
|
Chemical Weapons Convention
|
7,895
|
263
|
C
|
High
|
| 800
|
Proton-exchange membrane fuel cell
|
7,889
|
262
|
B
|
Unknown
|
| 801
|
Cleaning
|
7,887
|
262
|
Start
|
Unknown
|
| 802
|
Affluenza
|
7,880
|
262
|
Start
|
Mid
|
| 803
|
Customary law
|
7,873
|
262
|
Start
|
Mid
|
| 804
|
Energy conservation
|
7,872
|
262
|
B
|
Low
|
| 805
|
Paul R. Ehrlich
|
7,871
|
262
|
B
|
Mid
|
| 806
|
Volcanic winter
|
7,865
|
262
|
Start
|
Low
|
| 807
|
Lincoln Aviator
|
7,865
|
262
|
Start
|
Low
|
| 808
|
Cow dung
|
7,858
|
261
|
Start
|
Low
|
| 809
|
Rivian R1S
|
7,835
|
261
|
Start
|
Low
|
| 810
|
ISO 14000
|
7,822
|
260
|
Start
|
Unknown
|
| 811
|
Halothane
|
7,783
|
259
|
C
|
Low
|
| 812
|
Land
|
7,764
|
258
|
B
|
Low
|
| 813
|
Douglas Tompkins
|
7,742
|
258
|
C
|
Mid
|
| 814
|
Volkswagen ID.3
|
7,725
|
257
|
Unknown
|
Unknown
|
| 815
|
Volkswagen ID. Buzz
|
7,713
|
257
|
C
|
Mid
|
| 816
|
Paleocene–Eocene Thermal Maximum
|
7,703
|
256
|
B
|
Low
|
| 817
|
Methylmercury
|
7,694
|
256
|
B
|
High
|
| 818
|
Hyundai Ioniq
|
7,663
|
255
|
C
|
Mid
|
| 819
|
Elinor Ostrom
|
7,642
|
254
|
B
|
Mid
|
| 820
|
Insects as food
|
7,637
|
254
|
C
|
High
|
| 821
|
1,4-Dioxane
|
7,635
|
254
|
Start
|
Mid
|
| 822
|
History of climate change science
|
7,598
|
253
|
C
|
Unknown
|
| 823
|
National parks of the United Kingdom
|
7,583
|
252
|
List
|
Low
|
| 824
|
Ocean gyre
|
7,569
|
252
|
Start
|
Mid
|
| 825
|
Patrick Dovigi
|
7,567
|
252
|
Start
|
Low
|
| 826
|
Butadiene
|
7,558
|
251
|
B
|
High
|
| 827
|
Marine pollution
|
7,558
|
251
|
B
|
Unknown
|
| 828
|
Upcycling
|
7,557
|
251
|
C
|
Mid
|
| 829
|
Bioterrorism
|
7,537
|
251
|
B
|
High
|
| 830
|
Solar cooker
|
7,533
|
251
|
B
|
Unknown
|
| 831
|
Climate of Italy
|
7,527
|
250
|
C
|
Low
|
| 832
|
Coal combustion products
|
7,524
|
250
|
C
|
Low
|
| 833
|
Tipping points in the climate system
|
7,515
|
250
|
GA
|
Top
|
| 834
|
Renault Zoe
|
7,508
|
250
|
C
|
High
|
| 835
|
Global dimming
|
7,505
|
250
|
GA
|
High
|
| 836
|
Biophilic design
|
7,500
|
250
|
C
|
Low
|
| 837
|
Citroën Ami (electric vehicle)
|
7,500
|
250
|
Start
|
Unknown
|
| 838
|
Biodegradation
|
7,494
|
249
|
Start
|
Low
|
| 839
|
Environmental disaster
|
7,492
|
249
|
Start
|
Top
|
| 840
|
MG5 (automobile)
|
7,466
|
248
|
Start
|
Low
|
| 841
|
Exotic pet
|
7,446
|
248
|
Start
|
Low
|
| 842
|
Dakota Access Pipeline
|
7,438
|
247
|
B
|
Mid
|
| 843
|
Worldwide Harmonised Light Vehicles Test Procedure
|
7,433
|
247
|
C
|
Mid
|
| 844
|
United States Fish and Wildlife Service list of endangered mammals and birds
|
7,432
|
247
|
List
|
Mid
|
| 845
|
Xeriscaping
|
7,425
|
247
|
C
|
Low
|
| 846
|
Sod
|
7,414
|
247
|
C
|
Mid
|
| 847
|
Common ethanol fuel mixtures
|
7,388
|
246
|
B
|
Mid
|
| 848
|
Doughnut (economic model)
|
7,339
|
244
|
B
|
Low
|
| 849
|
Aldo Leopold
|
7,304
|
243
|
B
|
High
|
| 850
|
Thermal pollution
|
7,295
|
243
|
Start
|
Mid
|
| 851
|
Gifford Pinchot
|
7,274
|
242
|
B
|
High
|
| 852
|
Volkswagen I.D. R
|
7,272
|
242
|
Start
|
Low
|
| 853
|
BMW iX
|
7,263
|
242
|
Start
|
Unknown
|
| 854
|
Masdar City
|
7,255
|
241
|
C
|
High
|
| 855
|
Ken Saro-Wiwa
|
7,250
|
241
|
B
|
Low
|
| 856
|
Mercedes-Benz EQS
|
7,248
|
241
|
Start
|
Mid
|
| 857
|
Carbon sink
|
7,241
|
241
|
C
|
High
|
| 858
|
The Nature Conservancy
|
7,188
|
239
|
B
|
Low
|
| 859
|
Wind power in India
|
7,162
|
238
|
Start
|
Mid
|
| 860
|
Global cooling
|
7,161
|
238
|
B
|
Low
|
| 861
|
Municipal solid waste
|
7,158
|
238
|
Start
|
High
|
| 862
|
Activated sludge
|
7,149
|
238
|
C
|
Low
|
| 863
|
Effects of climate change on agriculture
|
7,141
|
238
|
C
|
High
|
| 864
|
Hamza Yassin
|
7,141
|
238
|
Start
|
Low
|
| 865
|
The Ocean Cleanup
|
7,123
|
237
|
Start
|
Unknown
|
| 866
|
Scrap
|
7,111
|
237
|
Start
|
Low
|
| 867
|
San Onofre Nuclear Generating Station
|
7,108
|
236
|
C
|
Mid
|
| 868
|
Togg T10X
|
7,102
|
236
|
Start
|
Unknown
|
| 869
|
Asbestosis
|
7,070
|
235
|
B
|
Mid
|
| 870
|
MARPOL 73/78
|
7,068
|
235
|
C
|
Mid
|
| 871
|
Lake Karachay
|
7,063
|
235
|
Start
|
Unknown
|
| 872
|
Solar thermal energy
|
7,059
|
235
|
B
|
High
|
| 873
|
Wind power by country
|
7,054
|
235
|
List
|
Mid
|
| 874
|
Climate of Ireland
|
7,049
|
234
|
C
|
Low
|
| 875
|
Storm drain
|
7,038
|
234
|
C
|
Unknown
|
| 876
|
Ice sheet
|
7,035
|
234
|
C
|
Mid
|
| 877
|
Fatberg
|
7,024
|
234
|
Start
|
Low
|
| 878
|
350.org
|
7,007
|
233
|
B
|
Low
|
| 879
|
Fishery
|
6,995
|
233
|
Start
|
Low
|
| 880
|
Composting toilet
|
6,988
|
232
|
C
|
Unknown
|
| 881
|
Raúl Grijalva
|
6,977
|
232
|
C
|
Low
|
| 882
|
Tailings
|
6,947
|
231
|
Start
|
Unknown
|
| 883
|
Slurry
|
6,934
|
231
|
Unknown
|
Unknown
|
| 884
|
Audi e-tron
|
6,925
|
230
|
C
|
Mid
|
| 885
|
European Green Party
|
6,922
|
230
|
B
|
Mid
|
| 886
|
Biomass (ecology)
|
6,919
|
230
|
C
|
Mid
|
| 887
|
Scrubber
|
6,908
|
230
|
Start
|
Unknown
|
| 888
|
Never Cry Wolf (film)
|
6,898
|
229
|
B
|
Low
|
| 889
|
Plug-in electric vehicle
|
6,891
|
229
|
B
|
High
|
| 890
|
Seveso disaster
|
6,889
|
229
|
Start
|
Mid
|
| 891
|
Martin Heinrich
|
6,885
|
229
|
C
|
Unknown
|
| 892
|
List of highly toxic gases
|
6,878
|
229
|
List
|
High
|
| 893
|
Dead zone (ecology)
|
6,874
|
229
|
C
|
High
|
| 894
|
Palo Verde Nuclear Generating Station
|
6,870
|
229
|
C
|
Mid
|
| 895
|
Evapotranspiration
|
6,869
|
228
|
C
|
Mid
|
| 896
|
Vestas
|
6,867
|
228
|
Start
|
High
|
| 897
|
Blade battery
|
6,866
|
228
|
Start
|
Mid
|
| 898
|
World Oceans Day
|
6,859
|
228
|
Start
|
Unknown
|
| 899
|
Environmental hazard
|
6,840
|
228
|
Start
|
High
|
| 900
|
United States Fish and Wildlife Service
|
6,834
|
227
|
C
|
Mid
|
| 901
|
Hyundai Ioniq 6
|
6,822
|
227
|
Unknown
|
Unknown
|
| 902
|
North Sea oil
|
6,817
|
227
|
Start
|
Mid
|
| 903
|
Dichlorodifluoromethane
|
6,816
|
227
|
Start
|
High
|
| 904
|
Tesla Megapack
|
6,815
|
227
|
Unknown
|
Unknown
|
| 905
|
Green party
|
6,814
|
227
|
C
|
High
|
| 906
|
Photovoltaic power station
|
6,811
|
227
|
C
|
High
|
| 907
|
2-Butoxyethanol
|
6,802
|
226
|
C
|
Mid
|
| 908
|
Hockey stick graph (global temperature)
|
6,801
|
226
|
B
|
High
|
| 909
|
Marjory Stoneman Douglas
|
6,800
|
226
|
FA
|
Low
|
| 910
|
Protected area
|
6,788
|
226
|
B
|
High
|
| 911
|
Car-free days
|
6,786
|
226
|
C
|
High
|
| 912
|
Causes of cancer
|
6,766
|
225
|
B
|
High
|
| 913
|
Earth shelter
|
6,764
|
225
|
Start
|
Unknown
|
| 914
|
Runaway greenhouse effect
|
6,741
|
224
|
B
|
Low
|
| 915
|
Contamination
|
6,736
|
224
|
C
|
Unknown
|
| 916
|
Our Planet
|
6,724
|
224
|
Start
|
Low
|
| 917
|
Christian Schmidt (politician)
|
6,717
|
223
|
C
|
Low
|
| 918
|
Exploitation of natural resources
|
6,711
|
223
|
Start
|
High
|
| 919
|
MG4 EV
|
6,693
|
223
|
Start
|
Low
|
| 920
|
BMW M Hybrid V8
|
6,689
|
222
|
Stub
|
Low
|
| 921
|
Risk assessment
|
6,678
|
222
|
C
|
Mid
|
| 922
|
Lists of nuclear disasters and radioactive incidents
|
6,664
|
222
|
List
|
Mid
|
| 923
|
Tropical cyclones and climate change
|
6,662
|
222
|
C
|
High
|
| 924
|
Waste Isolation Pilot Plant
|
6,658
|
221
|
Start
|
High
|
| 925
|
Fresh Kills Landfill
|
6,644
|
221
|
C
|
Unknown
|
| 926
|
Environmental education
|
6,639
|
221
|
C
|
High
|
| 927
|
IM Motors
|
6,634
|
221
|
Start
|
Low
|
| 928
|
Department of Environment and Natural Resources
|
6,614
|
220
|
Start
|
Low
|
| 929
|
Steven Chu
|
6,612
|
220
|
C
|
Mid
|
| 930
|
Sustainable fashion
|
6,591
|
219
|
C
|
Mid
|
| 931
|
Resource depletion
|
6,579
|
219
|
C
|
High
|
| 932
|
Wuling Hongguang Mini EV
|
6,558
|
218
|
C
|
Mid
|
| 933
|
Sustainable Development Goal 12
|
6,551
|
218
|
Start
|
Unknown
|
| 934
|
Shot (pellet)
|
6,550
|
218
|
C
|
Low
|
| 935
|
Madison Grant
|
6,547
|
218
|
C
|
Unknown
|
| 936
|
Sustainable Development Goal 11
|
6,538
|
217
|
Start
|
Unknown
|
| 937
|
Selective catalytic reduction
|
6,534
|
217
|
C
|
Mid
|
| 938
|
Conservation movement
|
6,533
|
217
|
C
|
Low
|
| 939
|
Radiative forcing
|
6,530
|
217
|
C
|
Low
|
| 940
|
List of largest giant sequoias
|
6,529
|
217
|
List
|
Mid
|
| 941
|
Fungicide
|
6,518
|
217
|
C
|
High
|
| 942
|
Hoot (film)
|
6,505
|
216
|
Start
|
Low
|
| 943
|
Volkswagen ID.6
|
6,493
|
216
|
Start
|
Unknown
|
| 944
|
Grove (nature)
|
6,489
|
216
|
Stub
|
Unknown
|
| 945
|
Noxious weed
|
6,470
|
215
|
Start
|
Unknown
|
| 946
|
James Lovelock
|
6,447
|
214
|
B
|
Top
|
| 947
|
Criticism of Tesla, Inc.
|
6,443
|
214
|
C
|
Low
|
| 948
|
Nicole Hernandez Hammer
|
6,422
|
214
|
C
|
Low
|
| 949
|
Climate change feedbacks
|
6,415
|
213
|
C
|
Mid
|
| 950
|
Toyota Prius (XW20)
|
6,413
|
213
|
B
|
Unknown
|
| 951
|
Biofouling
|
6,412
|
213
|
B
|
Low
|
| 952
|
Phytoremediation
|
6,397
|
213
|
C
|
Mid
|
| 953
|
Monoculture
|
6,396
|
213
|
Start
|
High
|
| 954
|
Kia EV6
|
6,394
|
213
|
Start
|
Low
|
| 955
|
Rainbow Herbicides
|
6,390
|
213
|
Start
|
Mid
|
| 956
|
Marine cloud brightening
|
6,376
|
212
|
Start
|
Low
|
| 957
|
Central Pollution Control Board
|
6,359
|
211
|
Start
|
Low
|
| 958
|
Thermophile
|
6,358
|
211
|
Start
|
Mid
|
| 959
|
U.S. state and territory temperature extremes
|
6,356
|
211
|
List
|
Mid
|
| 960
|
List of oil spills
|
6,332
|
211
|
C
|
Unknown
|
| 961
|
Dark-sky preserve
|
6,315
|
210
|
Start
|
Low
|
| 962
|
Best practice
|
6,314
|
210
|
C
|
Mid
|
| 963
|
Green roof
|
6,297
|
209
|
B
|
Mid
|
| 964
|
History of ExxonMobil
|
6,291
|
209
|
B
|
Low
|
| 965
|
Honda Clarity
|
6,286
|
209
|
B
|
Low
|
| 966
|
Climatic Research Unit email controversy
|
6,285
|
209
|
B
|
Mid
|
| 967
|
United Nations Conference on the Human Environment
|
6,282
|
209
|
Start
|
Low
|
| 968
|
Kia EV9
|
6,268
|
208
|
Stub
|
Unknown
|
| 969
|
Acrylonitrile
|
6,263
|
208
|
Start
|
Mid
|
| 970
|
Earth Liberation Front
|
6,263
|
208
|
B
|
Mid
|
| 971
|
Seres (automobiles)
|
6,255
|
208
|
Start
|
Low
|
| 972
|
Plutonium-238
|
6,246
|
208
|
C
|
Mid
|
| 973
|
Aptera (solar electric vehicle)
|
6,244
|
208
|
Start
|
Mid
|
| 974
|
Ecological footprint
|
6,238
|
207
|
B
|
High
|
| 975
|
List of countries by total renewable water resources
|
6,237
|
207
|
List
|
Mid
|
| 976
|
Global Reporting Initiative
|
6,220
|
207
|
C
|
Unknown
|
| 977
|
Triangle of death (Italy)
|
6,216
|
207
|
B
|
Mid
|
| 978
|
Wind power in the United Kingdom
|
6,209
|
206
|
C
|
Mid
|
| 979
|
Paris green
|
6,208
|
206
|
B
|
Mid
|
| 980
|
Laudato si'
|
6,203
|
206
|
C
|
Mid
|
| 981
|
Hazardous waste
|
6,185
|
206
|
Start
|
Mid
|
| 982
|
Precautionary principle
|
6,175
|
205
|
C
|
High
|
| 983
|
BYD Han
|
6,175
|
205
|
Start
|
Unknown
|
| 984
|
Solid oxide fuel cell
|
6,170
|
205
|
Start
|
Unknown
|
| 985
|
Roadkill
|
6,164
|
205
|
C
|
Low
|
| 986
|
Water stagnation
|
6,161
|
205
|
Start
|
Low
|
| 987
|
Slow Food
|
6,157
|
205
|
C
|
Mid
|
| 988
|
Environmental racism
|
6,157
|
205
|
C
|
High
|
| 989
|
Polestar 4
|
6,145
|
204
|
Unknown
|
Unknown
|
| 990
|
Wastewater
|
6,144
|
204
|
List
|
Unknown
|
| 991
|
John E. Sununu
|
6,133
|
204
|
C
|
Low
|
| 992
|
REVAi
|
6,126
|
204
|
Start
|
Unknown
|
| 993
|
Saxitoxin
|
6,123
|
204
|
Start
|
Mid
|
| 994
|
The Population Bomb
|
6,121
|
204
|
B
|
Mid
|
| 995
|
Radiation protection
|
6,113
|
203
|
Start
|
Mid
|
| 996
|
Neonicotinoid
|
6,109
|
203
|
C
|
High
|
| 997
|
International Mother Earth Day
|
6,105
|
203
|
Stub
|
Low
|
| 998
|
Religious views of Charles Darwin
|
6,095
|
203
|
B
|
Low
|
| 999
|
Extraction of petroleum
|
6,082
|
202
|
Start
|
Mid
|
| 1000
|
Laundry detergent
|
6,076
|
202
|
Start
|
Low
|
