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Wild bees are some of nature's busiest pollinators of crops and flowers. But new evidence suggests a warming climate is squeezing the bounds of where bumblebees can live.
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In a major encyclical, thepontiff calls on humanity to acknowledge a "sense of responsibility" for the Earth and said it was time to stop "masking problems."
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On Thursday, the Vatican releases Pope Francis' document on the environment and poverty. He has said he believes global warming is a moral, and man-made, issue — angering climate change skeptics.
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The littlest things — punctuation, precise word choice and grammar — can hold tremendous power in worldwide climate negotiations. This year in Europe, editors get a chance to help make history.
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Several U.S. senators are accusing the Federal Emergency Management Agency of injecting "unnecessary, ideological-based red tape" into the disaster-preparedness process.
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"Climate change can no longer be denied," Obama said. "It can't be edited out. It can't be omitted from the conversation. And action can no longer be delayed."
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A video from NASA shows how air pollution moves around the world. So what happens when emissions from Asia blow across the Pacific Ocean to North America?
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Scientists wince when people blame every big tropical cyclone, heat wave or drought on a shifting climate. But now some are trying to figure out just what the evidence for such a link would be.
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Audie Cornish talks to U.S. Energy Secretary Ernest Moniz the morning after President Obama addressed the U.N. Climate Summit.
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One clothing company whose bottom line was hurt in the wake of bad weather events decided to look to polyester fibers made from recycled plastic bottles.