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White House: Efficiency Key to Tackling Climate Change

The White House on Monday announced policies designed to help homeowners act on climate change.

Study: China May Have Overestimated Carbon Emissions

Scientists may have overestimated China's carbon dioxide emissions since 2000.

EPA Moves to Cut Oil and Gas Methane Emissions

The EPA has proposed new rules limiting methane emissions from new fracked oil wells.

Surging Renewables Frame EPA’s Historic Climate Rules

As renewable energy growth projections rise, the EPA is raising its climate expectations.

Fossil Fuels May Bring Major Changes to Carbon Dating

Fossil fuels are altering the ratio of carbon in the atmosphere, skewing the age of carbon dated objects.

Stagnant Summer Days on the Rise in U.S.

Summer days with stagnant air are on the rise in the U.S., which can mean more days with bad air quality.

New Grants Fund Research for Underseas Carbon Storage

The federal government is spending $12 million on carbon capture and storage research.

Recession Caused U.S. Emissions Drop, Study Says

A new study finds that the recession, not natural gas use, caused carbon emissions to drop.

Gap Seen Between Federal Climate Policy, Coal Leasing

Public land open for coal mining in the West has not been affected by federal climate policies.

States Cut Power Plant Emissions Ahead of New EPA Rule

Forty-two states are cutting carbon dioxide emissions from power plants ahead of a new EPA rule.

Study: Warming Leads to Longer Flights, More Emissions

Climate change could increase airline flight times across the globe, increasing emissions.

Mountaintop Coal Falls As Renewables, Natural Gas Rise

Mountaintop removal coal mining in Appalachian states has fallen 62 percent since 2008.

The World’s Greenhouse Gas Emissions in One Graphic

A new interactive graphic shows the greenhouse gas emissions for every country in the world.

Study: Water Use Skyrockets as Fracking Expands

Oil and gas fracking uses more and more water each year, but it varies widely from region to region.

The U.S., Brazil and China All Set Major Climate Goals

The U.S., Brazil and China all stepped up their climate commitments in a flurry of activity.

Supreme Court Blocks EPA Rule on Mercury Emissions

The court ruled that the EPA did not properly account for the financial impact on power plants and consumers.

Three Ways The World’s Power Mix Is About To Change

The world is about see big changes in power generation. Here's what you need to know.

African Utility Companies Struggle to Stay On the Grid

Sub-Saharan Africa needs a more reliable energy supply. The way it chooses to meet that need will affect the entire planet.

New Rules Would Cut Emissions From Buses, Big Rigs

Rules proposed Friday by the U.S. Environmental Protection Agency would make big rigs much more efficient.

States See Renewable Future in Offshore Wind Farms

Developers and government officials are optimistic offshore wind farms could spread along U.S. coastlines.

Gallery

Fall Temperature Trends The big picture is clear: Overall, fall is warming across the U.S, 0.46F per decade since 1970.

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