Currently the top electricity-producing energy source
The movie "An Inconvenient Truth" by Al __ won 2 Oscars in 2007
__ activity is a major cause of recent climate change
The atmosphere will become more __ as more water vapor is created
The __ Protocol calls for the regulation of greenhouse gas emissions
__ bears may become extinct due to the melting Arctic ice fields
__ plants and factories create nearly half of the CO2 emitted
__ vapor is the largest natural contributor to global warming
The Greenhouse __ is not the heating process of real greenhouses
No link between __ __ and global warming has been found yet
The burning of __ fuels has greatly increased the amounts of CO2
The transportation of __ water burns fossil fuels and creates CO2
The Intergovernmental Panel on __ Change was established in 1988
Automotive __ is a significant contributor to CO2 emissions
Some types of plants & animals will become __ as temperatures rise
__ weather, like tornados, hurricanes & lightning storms will increase
Landfills, animals & animal waste emit __ gas
Some consider __ gas to be better, but it still adds to CO2 emissions
Melting __ and polar ice will cause sea levels to rise
The majority of the __ in CO2 in the atmosphere has been since 1850
Long-wave __ radiation from the atmosphere warms the surface
Many other __ are ahead of the U.S. in controlling carbon emissions
As __ __ rise, some coastal areas could lose land area
Water vapor, CO2, N2O, methane and ozone are all __ gases
Many __ disagree on how quickly the Earth's climate is changing
Farming and __ activities are large methane and NO2 contributors
__ removes trees and limits their ability to reduce CO2 levels
Most major __ nations agree that global warning is a problem