Environment

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A Louisiana black bear, a protected sub-species of the black bear, is seen from its perch in a water oak tree in a neighborhood of New Orleans, La., Sunday, May 17, 2015. The young bear’s search for a new home has brought him into a central Louisiana neighborhood where he’s spent the past week up one tree or another. (AP Photo/Gerald Herbert)

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Debris rises as a Marine Corps Osprey aircraft makes a hard landing on Bellows Air Force Station near Waimanalo, Hawaii on Sunday. (Associated Press)

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A large faction of women voiced strong support for Hillary Rodham Clinton's candidacy until the issue of genetically modified food came up, prompting them to switch allegiances to Vermont Sen. Bernard Sanders, a liberal stalwart challenging her. (Associated Press)

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Illustration on the mythological impact of federal assistance on poverty by Alexander Hunter/The Washington Times

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FILE - In this Friday, May 15, 2015, file photo, Nepalese army soldiers prepare to leave for a rescue mission to the site where the suspected wreckage of a U.S. Marine helicopter, that disappeared earlier this week while on a relief mission in the earthquake-hit Himalayan nation, was spotted, in Kathmandu, Nepal. Nepalese rescuers on Friday found three bodies near the wreckage of the chopper that was carrying six Marines and two Nepalese army soldiers. (AP Photo/Niranjan Shrestha, File)

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A rhino, one of the world's most endangered species due to illegal poaching for its horn. (World Wildlife Fund)

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In this May 12, 2015 photo provided by the U.S. Agency for International Development, Los Angeles County Fire Department urban search and rescue team memebrs work to recover survivors from a four-story building that collapsed in this week’s earthquake in Singati, a mountain village in Nepal. Tuesday’s temblor was an aftershock to the April 25 main Gorkha earthquake that’s killed more than 8,000 people. The Disaster Assistance Response Team included 57 urban search and rescuers each from Los Angeles County and Fairfax County, Va. (Kashish Das/USAID/via AP)

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Republican presidential candidate Sen. Marco Rubio of Florida speaks at the Georgia Republican Convention in Athens on May 15, 2015. (Associated Press) **FILE**

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In this May 12, 2015 photo provided by the U.S. Agency for International Development's Disaster Assistance Response Team, a member of the Fairfax County Fire and Rescue Department's team helps rescue a woman from a four-story building that collapsed in this week’s earthquake in Singati, a mountain village in Nepal. Tuesday’s temblor was an aftershock to the April 25 main Gorkha earthquake that’s killed more than 8,000 people. The Disaster Assistance Response Team included urban search and rescuers from Los Angeles County and Fairfax County, Va. (USAID Disaster Assistance Response Team via AP)

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A Nepalese army soldier clears rubble from a damaged house at Lele in Lalitpur, Nepal, Thursday, May 14, 2015. On April 25, a magnitude-7.8 earthquake killed thousands of people, injured tens of thousands more and left hundreds of thousands homeless. Then, just as the country was beginning to rebuild, a magnitude-7.3 earthquake battered it again. (AP Photo/Bikram Rai)

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New Jersey Gov. Chris Christie speaks during a town hall meeting, Thursday, May 14, 2015, in Sparta, N.J. Christie has been holding frequent town halls in the early-voting state of New Hampshire as he prepares for an expected presidential campaign. (AP Photo/Julio Cortez)

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Nepalese army men search for the missing U.S. Marine helicopter in the earthquake affected Dolakha District, Nepal, Thursday, May 14, 2015. The helicopter carrying six Marines and two Nepalese soldiers disappeared Tuesday while delivering aid in the country's northeast, U.S. officials said. (AP Photo/Niranjan Shrestha)

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James. H. Baker

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In this photo provided on Wednesday, May 13, 2015, by the Australian Transport Safety Bureau, debris from a shipwreck lays on the Indian Ocean floor, nearly 4 kilometers (2.5 miles) below the surface, off the west coast of Australia. (Fugro/The Australian Transport Safety Bureau via AP)

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A Nepalese woman carrying belongings walks past a damaged house in Chautara, Nepal, Wednesday, May 13, 2015. The condition of many of the buildings damaged in the April 25 earthquake, got worse after the magnitude-7.3 quake Tuesday. (AP Photo/Bernat Amangue)