Subject
climatic change
2
global change
global warming
2
ozone depletion
Antarctic region
1
Arctic Region
1
carbon dioxide
1
carbon dioxide production
1
climate model
1
climate modification
1
climate protection
1
climatic effect
1
climatic impact
1
earth sciences
1
global analysis
1
ice
1
melt
1
ozone
1
weather
1
weather modification
1