New study shows that electric vehicles' environmental friendliness depends on where the electricity comes from.
Updates from Lima, the skinny on drought, and new research on sea level, hurricanes, energy and more.
New interactive map shows how energy production in U.S. has grown since 1993.
Low oil prices means people will drive more and buy less efficient vehicles, increasing CO2 emissions.
The Obama administration's plan to cut CO2 emissions moves to next step.
Negotiators are about to gather in Lima to thrash out the details of the first post-Kyoto climate treaty.
As part of "Grid Week" in mid-November, the U.S. Department of Energy shows how the power grid operates.
How people get their electricity and where it comes from is on the brink of major change in the U.S.
The U.S. is technologically able to kick its fossil fuels addiction by 2050, report says.
Climate finance fell for the second year in a row to well below levels needed to meet the world's climate goal.
The global effort to address carbon emissions is a start but it's not enough to avoid dangerous warming.
Despite gains in renewables, the world is still on dangerous energy-related emissions path, IEA warns.
IPCC analysis of climate change has painted an ugly picture, but it also offers hope and guidance.
For too long we have ignored the relationships between built and natural environments.
Hydropower reservoirs may be one of the biggest sources of GHG emissions, studies suggest.
An innovative farm is hoping to score a win-win by producing crops while reducing power grid waste.
Electricity in the U.S. can be a lot more climate-friendly than the Obama administration expects it to be, a new report says.
Future wind and solar projects and metals used to build them will have a low environmental impact, study says.
Normally, 20 percent of California’s power comes from hydroelectric sources. But not anymore.
Canada's commercial CCS plant held up and proved that coal-burning is compatible with cutting emissions.