Florida's Mangroves Move North As Temperatures Rise

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The Chaparrastique volcano in eastern El Salvador erupted on Sunday. Hector Garay/Telenoticias 21/AFP/Getty Images hide caption

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The sea ice that polar bears use as a platform to catch seals is shrinking, threatening the species' existence. U.S. Fish and Wildlife Serivce/AP hide caption

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A Scientist's New Job: Keeping The Polar Bears' Plight Public

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The wildfire in Yarnell, Ariz., last June destroyed homes and killed 19 firefighters. Experts say expansion into wildfire-prone areas has created new challenges for firefighters. Andy Tobin/AP hide caption

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A Tragic Year For Wildland Firefighters Ends In Reflection

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Mountain lion 38F perches in a tree before getting a tracking collar from the Santa Cruz Puma Project. Peter Lollo/KQED hide caption

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On The Trail Of A Mountain Lion, Hunters Hope To Help

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Ripening fruit in a grove in Plant City, Fla., this month. Florida citrus growers are worried about citrus greening, which causes bacteria to grow on the leaf and fruit, eventually killing the tree. Chris O'Meara/AP hide caption

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Time Is Running Out To Save Florida's Oranges

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A company proposes shipping crude oil by barge across Lake Superior to keep up with the booming supply from North Dakota and Canada. Jack Rendulich/AP hide caption

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Oil Company Looks To Great Lakes As Shipping Demand Booms

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Easter Island's Secret May Be Adaptation, Not Suicide

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Workers in Oakland, Calif., check the damage to Interstate 880 on Oct. 19, 1989; this portion of the freeway had collapsed during the Loma Prieta earthquake two days earlier. Paul Sakuma/AP hide caption

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West Coast's Early Warning System For Quakes Still Spotty

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What Does The Future Hold For Climate Change?

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Strong gusts in Palm Springs, Calif., generate plenty of energy, thanks to turbine farms. But being able to store all of that energy is just as important. Kevork Djansezian/Getty Images hide caption

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Could Big Batteries Be Big Business In California?

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Retired farmer Joe Govert looks at a parcel of family land near Tribune, Kan. It has been enrolled in the Conservation Reserve Program. Charlie Riedel/AP hide caption

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Grasslands Get Squeezed As Another 1.6 Million Acres Go Into Crops

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Jonathan Henderson of the Gulf Restoration Network holds a jar of tar balls. Debbie Elliott/NPR hide caption

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For BP Cleanup, 2013 Meant 4.6 Million Pounds Of Oily Gunk

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