69
climate-change
× 9 |
8
geology
× 3 |
4
mineralogy
× 2 |
2
plate-tectonics
|
50
thermodynamics
|
8
rivers
× 2 |
4
moon
|
1
geochemistry
× 2 |
40
geography
× 3 |
7
agriculture
|
4
earth-moon
|
1
fossil-fuel
|
31
mining
|
6
cartography
|
3
oxygen
× 2 |
1
greenhouse-gases
|
31
cavern
|
6
hydrogeology
|
3
desert
|
1
human-influence
|
31
mantle
|
6
hydrology
|
3
lakes
|
1
natural-disasters
|
31
crust
|
6
sea-level
|
3
climate-models
|
1
volcanology
|
11
meteorology
× 5 |
6
fossils
|
2
ice-age
× 2 |
1
weather-forecasting
|
11
co2
× 3 |
6
mountains
|
2
atmospheric-radiation
|
1
chaos
|
10
atmosphere
× 4 |
5
evaporation
|
2
convection
|
1
mass-extinction
|
10
temperature
|
5
water
|
2
oceanography
|
1
paleoclimatology
|
9
earth-history
× 3 |
5
mars
|
2
erosion
|
1
glaciation
|
9
meteorite
× 2 |
4
climate
× 2 |
2
nitrogen
|
0
air-pollution
|
jamesqf
