A natural gas drilling rig's lights shimmer in the evening light near Silt, Colo. Methane is the main component of natural gas, and studies show some methane escapes from leaky oil and gas operations. David Gilkey/NPR hide caption

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David Gilkey/NPR

Methane's On The Rise, But Regulations To Stop Gas Leaks Still Debated

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Portland's Gulf of Maine Research Institute has designed a trawl net that aims to target species that can still be profitable while avoiding cod. Courtesy of Gulf of Maine Research Institute hide caption

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Courtesy of Gulf of Maine Research Institute

Tropical Storm Colin brought big waves to Fort Myers Beach in Fort Myers, Fla., in early June. Given the threat of serious flooding, Gov. Rick Scott declared a state of emergency in the area. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images

Climate Change Complicates Predictions Of Damage From Big Surf

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Sea ice melts off the beach of Barrow, Alaska, where Operation IceBridge is based for its summer 2016 campaign. Kate Ramsayer/NASA hide caption

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Kate Ramsayer/NASA

As July's Record Heat Builds Through August, Arctic Ice Keeps Melting

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A heat-stressed koala is doused with water in December 2015 during an extreme heat wave in Adelaide, Australia. Last year was the hottest on record, but 2016 is on pace to supplant it at the top of the list. Every month of this year has set heat records. Morne de Klerk/Getty Images hide caption

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Morne de Klerk/Getty Images

Scientists Report The Planet Was Hotter Than Ever In The First Half Of 2016

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About 70 percent of Earth is covered by clouds at any given moment. Their interaction with climate isn't easy to study, scientists say; these shape-shifters move quickly. NOAA/Flickr hide caption

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NOAA/Flickr

Climate Change May Already Be Shifting Clouds Toward The Poles

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New York City called a travel ban on vehicles in Times Square and elsewhere during last weekend's storm, which broke snowfall records all along the Mid-Atlantic coast. Yana Paskova/Getty Images hide caption

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Yana Paskova/Getty Images

A Big El Niño Was The Likely Instigator Of Last Week's Blizzard

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Activists hold a banner reading "standing and decided for climate" during a demonstration near the Eiffel Tower in Paris on Dec. 12, 2015, during the United Nations Climate Change Conference. Matt Dunham/AP hide caption

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Matt Dunham/AP

French Foreign Minister and President of the COP21 Laurent Fabius (center) gives a thumbs up while U.N. Secretary-General Ban Ki-moon (left) and French President Francois Hollande applaud after the final meeting of the U.N. conference on climate change in Le Bourget, France, on Saturday. Francois Mori/AP hide caption

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Francois Mori/AP

Climate scientists who scrutinized the U.N. accord are urging citizens to keep a sharp eye on each nation's leaders to make sure they follow through on pledges to reduce emissions. Simone Golob/Corbis hide caption

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Simone Golob/Corbis

Scientists See U.N. Climate Accord As A Good Start, But Just A Start

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U.S. Rep. Lamar Smith, R-Texas, and Kathryn Sullivan, director of the National Oceanic and Atmospheric Administration, have been tangling for months over the legitimacy of a climate study NOAA scientists published in Science. Drew Angerer/AP; Mark Wilson/Getty Images hide caption

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Drew Angerer/AP; Mark Wilson/Getty Images

Is This Congressman's Oversight An Effort To Hobble Climate Science?

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President Obama attended the plenary session of the international climate conference Monday, just outside Paris. By using regulations instead of treaties, Obama hopes to continue to cut U.S. emissions of greenhouse gases. Eric Feferberg/AFP/Getty Images hide caption

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Eric Feferberg/AFP/Getty Images

How Obama Hopes To Achieve U.S. Climate Goals

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Climate models project 21st century global temperatures. NASA's Scientific Visualization Studio and NASA Center for Climate Simulation hide caption

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NASA's Scientific Visualization Studio and NASA Center for Climate Simulation

Big Data Predicts Centuries Of Harm If Climate Warming Goes Unchecked

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A man walks through hundreds of pairs of shoes displayed in Paris as part of a rally called "Paris sets off for climate" on Sunday, Nov. 29. More than 140 world leaders are gathering around Paris for high-stakes climate talks this week. Laurent Cipriani/AP hide caption

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Laurent Cipriani/AP

Delegates from about 170 countries gathered in Kyoto in December 1997 during the United Nations Framework Convention on Climate Change. This year in Paris, the stakes are even higher, negotiators say. AFP/Getty Images hide caption

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AFP/Getty Images

Kyoto Treaty Fizzled, But Climate Talkers Insist Paris Is Different

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A field near harvest time at Meyers Farm in Bethel, Alaska, can now grow crops like cabbage outside in the ground, due to rising temperatures. Daysha Eaton/KYUK hide caption

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Rising Temperatures Kick-Start Subarctic Farming In Alaska

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