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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.

Rapidly Acidifying Arctic Ocean Threatens Species

Parts of the Arctic Ocean could reach critical levels of ocean acidification in just 10 years.

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.

Dutch Court Issues Landmark Ruling to Curb Emissions

A district court ordered the Dutch government to cut greenhouse gas emissions faster than currently planned.

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.

Pope’s Climate Encyclical: 4 Main Points

Pope Francis' climate change encyclical has been released. Here are 4 main points from it.

Iconic Keeling Curve Designated a Landmark

The iconic Keeling Curve charting the rise of atmospheric CO2 has been designated a landmark.

EPA Takes Step Toward Regulating Airline Emissions

The U.S. EPA took its first steps Wednesday toward regulating greenhouse gas emissions from commercial airplanes.

G7 Carbon Goal May Come Too Late, Scientists Say

Leading climate scientists say the G7's decarbonization goal may be too little, too late.

G7 Leaders: World Needs to Phase Out Carbon Emissions

The G7 leaders have committed to decarbonizing the world's economy by 2100 but with a few caveats.

Climate Plan Will Transform How You Get Your Electricity

Four things to know about how the Clean Power Plan will change how you get electricity.

Burning Coal Is Hot; Its Warming Is Far Hotter

Global warming from burning fossil fuels can be felt within just a few months says new study.

Halfway There: Countdown to Paris Climate Talks

Paris climate talks are six months away. There's a lot of goodwill but also a lot of hurdles for a good deal.

In Stunning Reversal, ‘Big Oil’ Asks for Carbon Price

In a stunning reversal of years after years of obstructionism, oil companies are asking for a price on carbon.

Ocean Species Set for Reshuffle Unseen in 3 Million Years

If greenhouse gas emissions continue to build, vast changes could come to the world’s oceans.

Will The West Ever Be Able To Live With Fire?

A drought-amped wildfire season will severely test the West's ability to live with an ancient threat.

U.S., Mexico, Canada to Collaborate on Climate Adaptation

The U.S., Canada and Mexico are collaborating on sharing clean energy technology and reducing emissions.

America’s Future Has Wind in its Sails

Two U.S. Dept. of Energy maps show how wind power will grow across the U.S. by 2050.

Kansas Takes Air Out of Wind Power Mandate

The Kansas renewable power mandate may become a victim of its own success.

Climate Change May Put Power Grid at Risk in the West

The West should "climate proof" its power grid or risk electricity shortages, a new study says.

Gallery

Montana’s Wind Energy Potential Montana's estimated wind power potential is about equal to the electricity consumed by the 19 lighted states.

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