A new U.N. report on climate change released Sunday warns that humans have made little progress on environmental issues in recent years.

By Hari Sreenivasan

Senate Democrats introduced legislation Wednesday aimed at curbing greenhouse gas emissions by 20 percent over 2005 levels. But with health care dominating the national debate, is Congress ready to tackle more big legislation? Jeffrey Brown talks to a reporter for…

Al Gore testified before Congress Wednesday on the urgency of energy policy reform and made the case for easing America's reliance on carbon-based fuels. Heidi Cullen of Climate Central reports on an emerging debate over the changing land use and…

With a population of more than 1 billion, India has one of the world's greatest demands for automobiles. Fred de Sam Lazaro reports on the growing accessibility to low-cost cars that also leads to more congested roads and carbon emissions.