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Electric Cars a Mixed Bag For Health, Climate

New study shows that electric vehicles' environmental friendliness depends on where the electricity comes from.

6 Degrees: Lima, Deadly Heat, Flood Maps & More

Updates from Lima, the skinny on drought, and new research on sea level, hurricanes, energy and more.

Trillions and Quadrillions: Numbers Tell U.S. Energy Story

New interactive map shows how energy production in U.S. has grown since 1993.

Low Oil Prices May Bode Ill For Climate

Low oil prices means people will drive more and buy less efficient vehicles, increasing CO2 emissions.

‘Nuff Said: CO2 Emissions Plan Moves to Next Step

The Obama administration's plan to cut CO2 emissions moves to next step.

What’s At Stake in Lima Climate Talks

Negotiators are about to gather in Lima to thrash out the details of the first post-Kyoto climate treaty.

This Is How the U.S. Power Grid Works

As part of "Grid Week" in mid-November, the U.S. Department of Energy shows how the power grid operates.

Clues Show How Green Electricity May Be in 2050

How people get their electricity and where it comes from is on the brink of major change in the U.S.

Report Maps Out Decarbonization Plan for U.S.

The U.S. is technologically able to kick its fossil fuels addiction by 2050, report says.

Climate Investments ‘Falling Short’ of 2°C Goal

Climate finance fell for the second year in a row to well below levels needed to meet the world's climate goal.

World Needs to Mind the Carbon Emissions Gap

The global effort to address carbon emissions is a start but it's not enough to avoid dangerous warming.

Post Climate Pact, IEA Warns Fossil Fuel Trends Dire

Despite gains in renewables, the world is still on dangerous energy-related emissions path, IEA warns.

UN Climate Report Rings Alarm, Offers Guidance

IPCC analysis of climate change has painted an ugly picture, but it also offers hope and guidance.

Cities Designed like Ecosystems Offer Untold Gains

For too long we have ignored the relationships between built and natural environments.

Hydropower May Be Huge Source of Methane Emissions

Hydropower reservoirs may be one of the biggest sources of GHG emissions, studies suggest.

From Grid Waste to Good Taste

An innovative farm is hoping to score a win-win by producing crops while reducing power grid waste.

Scientists: EPA Underestimating Renewables Potential

Electricity in the U.S. can be a lot more climate-friendly than the Obama administration expects it to be, a new report says.

Study: Renewables As Green As You’d Expect

Future wind and solar projects and metals used to build them will have a low environmental impact, study says.

Drought Dries Up California Hydropower

Normally, 20 percent of California’s power comes from hydroelectric sources. But not anymore.

World’s First Carbon Capture Power Plant Switches On

Canada's commercial CCS plant held up and proved that coal-burning is compatible with cutting emissions.

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The Russian Heat Wave of 2010: July Temperatures Probability function of July average temperature anomalies in Moscow, Russia.

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