In New Orleans, discarded butts are being turned into something useful.

Weather- and climate-related disasters have caused $2.4 trillion in economic losses and nearly 2 million deaths globally since 1971 according to a new report.

President Obama's new climate change push was reaffirmed on Thursday when the Department of Energy announced that it will make $4 billion in loans available to clean energy projects.

For the last eight years, Pennsylvania has been riding the natural gas boom, with companies drilling and fracking thousands of wells across the state.

North Dakota regulators have adopted the most stringent rules to date aimed at reducing the amount of natural gas that is burned off and wasted as a byproduct of the state's soaring oil production.

A federal plan to lower thresholds for warning the public about contaminated beach water is drawing protests from state officials in the Great Lakes region and along the ocean coasts who say the re

President Barack Obama said Monday that the United States wants to help Chile build Latin America's largest solar power plant.

The peaceful croaking of frogs in Alberta ponds could eventually go silent, according to an assessment of how climate change could affect the province's plants and animals.

A report based on new satellite imagery says forests on the slopes of Alberta's Rocky Mountains are disappearing more quickly than anywhere else in the province — including the oilsands area.

The old adage, "it's not the heat, it's the humidity," will come into play more often and in more places because of climate change, with life-altering results in southern U.S.

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