The Earth's climate has changed throughout history. Just in the last 650,000 years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 7,000...
Key indicators of global climate change include sea levels, carbon dioxide concentration, global surface temperatures, Arctic sea ice, and land ice.
This map shows states that cap greenhouse gas emissions through performance standards or through cap and trade systems.
This map shows states that participate in regional initiatives to reduce carbon dioxide emissions from power plants and increase generation of renewable energy.
The potential future effects of global climate change include more frequent wildfires, longer periods of drought in some regions and an increase in the number, duration and intensity of tropical...
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