Environment

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The sun shines through the window at midnight as researcher Ilona Mettiainen reads in a room overlooking an observation deck on the Finnish icebreaker MSV Nordica as it sails the Bering Sea toward the Canadian Arctic Archipelago to traverse the Northwest Passage, early Friday, July 14, 2017. Mettiainen is working on her doctorate in sociology and is exploring how climate change affects Arctic communities. Mettiainen grew up in Rovanaiemi, Finland, close to the Arctic circle. "When I was a kid I couldn't really sleep when there was daylight in the evening," said Mettiainen. "I'm used to it now since my childhood so it's a home thing for me. It feels like home." (AP Photo/David Goldman)

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Sunlight is cast over the sea ice at midnight as Master Mariner Jyri Viljanen, captain of the Finnish icebreaker MSV Nordica, sips a cappuccino while overseeing the navigation of the Northwest Passage through the Victoria Strait in the Canadian Arctic Archipelago, early Saturday, July 22, 2017. Viljanen has been going to sea for 39 years and is making his first transit through the Arctic's Northwest Passage. "It's once a lifetime," said Viljanen of the opportunity. (AP Photo/David Goldman)

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In this Wednesday, July 26, 2017 photo, a tiger receives medical treatment from a health care member of the Four Paws organisation, in Bursa, northwestern Turkey, after it was rescued from an amusement park near the embattled city of Aleppo, Syria. Austria-based Four Paws evacuated nine animals total, two bears, three lions, two hyenas and two tigers which all survived intense clashes on Syria's civil war around the Aleppo region. (AP Photo/Emrah Gurel)

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In this July 27, 2017 photo, children play with a foam board in the polluted Guanabara bay, in Rio de Janeiro, Brazil. Rio organizers promised to clean up polluted Guanabara Bay in their winning bid in 2009. During the Olympics, officials used stop-gap measures to keep floating sofas, logs, and dead animals from crashing into boats during the sailing events. Since the Olympics, the bankrupt state of Rio de Janeiro has ceased major efforts to clean the bay, with the unwelcome stench usually drifting along the highway from the international airport. (AP Photo/Silvia Izquierdo)

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In this July 27, 2017 photo, trash lays on the coast of Guanabara bay in Rio de Janeiro, Brazil. Rio organizers promised to clean up polluted Guanabara Bay in their winning bid in 2009. Since the Olympics, the bankrupt state of Rio de Janeiro has ceased major efforts to clean the bay, with the unwelcome stench usually drifting along the highway from the international airport. (AP Photo/Silvia Izquierdo)

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In this July 27, 2017 photo, trash lays on the coast of Guanabara bay, in Rio de Janeiro, Brazil. Rio organizers promised to clean up polluted Guanabara Bay in their winning bid in 2009. During the Olympics, officials used stop-gap measures to keep floating sofas, logs, and dead animals from crashing into boats during the sailing events. Since the Olympics, the bankrupt state of Rio de Janeiro has ceased major efforts to clean the bay, with the unwelcome stench usually drifting along the highway from the international airport. (AP Photo/Silvia Izquierdo)

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FILE - In this July 4, 2016 file photo, Sugar loaf mountain and Guanabara bay are seen behind the Christ the Redeemer statue in Rio de Janeiro, Brazil. Rio organizers promised to clean up polluted Guanabara Bay in their winning bid in 2009. During the Olympics, officials used stop-gap measures to keep floating sofas, logs, and dead animals from crashing into boats during the sailing events. Since the Olympics, the bankrupt state of Rio de Janeiro has ceased major efforts to clean the bay, with the unwelcome stench usually drifting along the highway from the international airport. (AP Photo/Felipe Dana)

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FILE--In this May 31, 2017, file photo, Interior Secretary Ryan Zinke, right, with U.S. Sen. Lisa Murkowski, R-Alaska, speaks during a news conference in Anchorage, Alaska. Zinke called Alaska's two Republican senators, Murkowski and Dan Sullivan, to warn them of repercussions for the nation's largest state if they failed to toe the Trump administration line on health care, according to a published report. (AP Photo/Mark Thiessen, file)

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In this undated photo provided by the U.S. Marine Corps, Tyler Jarrell, 18, poses for a photo. Jarrell was killed in a thrill ride accident at the Ohio State Fair on Wednesday, July 26, 2017, in Columbus, Ohio. The Marine Corps and school officials said Jarrell enlisted last week and was going to begin basic training next summer after his high school graduation. (U.S. Marine Corps via AP)

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The Attempt to Ban Dog Walking in Bay Area Parks Illustration by Greg Groesch/The Washington Times

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Al Gore's "An Inconvenient Sequel: Truth to Power" didn't come anywhere near the success of "An Inconvenient Truth" massive media attention, mostly fawning reviews and promotion from eco-conscious stars such as Paul McCartney, Bono and Pharrell Williams. (Associated Press/File)

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Vehicles line up at the a gas station on Thursday, July 27, 2017, on Ocracoke Island on North Carolina's Outer Banks, as visitors leave the island and residents fuel up. An estimated 10,000 tourists were ordered Thursday to evacuate the island after a construction company caused a power outage, leaving people stranded without air conditioning or places to eat. (C. Leinbach/Ocracoke Observer via AP)

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Ice is displayed at the Variety Store on Thursday, July 27, 2017, on Ocracoke Island on North Carolina's Outer Banks. An estimated 10,000 tourists were ordered Thursday to evacuate the island after a construction company caused a power outage, leaving people stranded without air conditioning or places to eat. (C. Leinbach/Ocracoke Observer via AP)

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Vehicles line up at the a gas station on Thursday, July 27, 2017, on Ocracoke Island on North Carolina's Outer Banks, as visitors leave the island and residents fuel up. An estimated 10,000 tourists were ordered Thursday to evacuate the island after a construction company caused a power outage, leaving people stranded without air conditioning or places to eat. (C. Leinbach/Ocracoke Observer via AP)

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CORRECTS THE KIND OF FLOWER - In this Tuesday, July 25, 2017 photo, a Wyethia mollis, also known as mule's ears, blooms in the Lower Carpenter Valley near Truckee, Calif. The wild Sierra Nevada meadow hidden from public view for more than a century is opening for tours after it was purchased by conservation groups. (AP Photo/Rich Pedroncelli)

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GE Transportation workers who are members of the U.E. Local 506 executive committee, enter the union offices in Lawrence Park Township, Erie County, Pa., Thursday, July 27, 2017. Plant officials announced Thursday, that after more than 100 years of production at the Erie-area plant, locomotive production, except for prototypes, would cease by the end of 2018. All locomotive production is being transferred to GE Transportation's Fort Worth, Texas plant. (Christopher Millette/Erie Times-News, via AP)

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Locomotives are shown in a rail yard at GE Transportation in Lawrence Park Township, Erie County, Pa., Thursday, July 27, 2017. Plant officials announced on Thursday that, after more than 100 years of production at the Erie-area plant, locomotive production, except for prototypes, would cease by the end of 2018. All locomotive production is being transferred to GE Transportation's Fort Worth, Texas plant. (Christopher Millette/Erie Times-News, via AP)

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This photo taken Sept. 15, 2011, shows General Electric Evolution Series locomotives being assembled in Building 10 at GE Transportation in Lawrence Park Township, Erie County, Pa. Plant officials announced Thursday, July 27, 2017, that, after more than 100 years of production at the Erie-area plant, locomotive production, except for prototypes, by the end of 2018. All locomotive production is being transferred to GE Transportation's Fort Worth, Texas plant. (Christopher Millette/Erie Times-News, via AP)

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File - In this Feb. 15, 2016, file photo, a stand-up paddleboarder glides across Lake Tahoe at sunset in California. An annual report on Lake Tahoe said the United States' largest alpine lake is still warming at 14 times the historic average. The finding is in the yearly report released Thursday, July 27, 2017, by the University of California at Davis on the state of Lake Tahoe, which straddles the California and Nevada borders. (Claire Cudahy/The Tahoe Tribune via AP, File)

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FILE - This April 12, 2012 file photo shows Lake Tahoe seen from Incline Village, Nev. An annual report on Lake Tahoe said the United States' largest alpine lake is still warming at 14 times the historic average. The finding is in the yearly report released Thursday, July 27, 2017, by the University of California at Davis on the state of Lake Tahoe, which straddles the California and Nevada borders. (AP Photo/Scott Sonner, File)