The Environmental Defense Fund published the Inventory of U.S. Greenhouse Gas Emissions and Sinks after filing a Freedom of ...

A new study finds reductions in greenhouse gases are insufficient to substantially slow warming, and the authors argue that to continue the benefits of reduced emissions, policymakers will need to ...

The U.S. Supreme Court ordered the EPA's scientific review in 2007. "This finding confirms that greenhouse gas pollution is a serious problem now and for future generations," EPA Administrator Lisa P.

Methane, or CH4, is the second most important greenhouse gas linked to human activity after CO2. Around 40 per cent of methane comes from natural sources. About 60 per cent is linked to human ...