Environment

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Foreign Minister Sergey Lavrov, left, and Swedish Foreign Minister Margot Wallstrom atend a welcoming ceremony to kick off the Arctic Council event in Fairbanks, Alaska, on Wednesday, May 10, 2017. High-level officials from the world's eight Arctic nations will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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U.S. Secretary of State Rex Tillerson speaks at the welcoming ceremony to kick off Arctic Council events in Fairbanks, Alaska, on Wednesday, May 10, 2017. High-level officials from the world's eight Arctic nations, including Tillerson, will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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A few hundred people chanted slogans and made speeches to protest the presence of U.S. Secretary of State Rex Tillerson in Fairbanks, Alaska, on Wednesday, May 10, 2017. High-level officials from the world's eight Arctic nations, including Tillerson, will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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A few hundred people chanted slogans and made speeches to protest the presence of U.S. Secretary of State Rex Tillerson in Fairbanks, Alaska, on Wednesday, May 10, 2017. High-level officials from the world's eight Arctic nations, including Tillerson, will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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A few hundred people chanted slogans and made speeches to protest the presence of U.S. Secretary of State Rex Tillerson in Fairbanks, Alaska, on Wednesday, May 10, 2017. High-level officials from the world's eight Arctic nations, including Tillerson, will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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U.S. Secretary of State Rex Tillerson, draped on either side by the American and Alaska flags, speaks at the welcoming ceremony to kick off Arctic Council events in Fairbanks, Alaska, on Wednesday, May 10, 2017.. High-level officials from the world's eight Arctic nations will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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U.S. Secretary of State Rex Tillerson speaks at the welcoming ceremony to kick off Arctic Council events in Fairbanks, Alaska, on Wednesday, May 10, 2017. High-level officials from the world's eight Arctic nations will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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The logo for this year's theme for the Actic Council appears on a television at a welcoming ceremony to kick off Arctic Council event in Fairbanks, Alaska, on Wednesday, May 10, 2017. High-level officials from the world's eight Arctic nations will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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U.S. Secretary of State Rex Tillerson speaks at the welcoming ceremony to kick off Arctic Council events in Fairbanks, Alaska, on Wednesday, May 10, 2017. High-level officials from the world's eight Arctic nations will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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U.S. Secretary of State Rex Tillerson, draped on each side by the American and Alaska flags, speaks at the welcoming ceremony to kick off Arctic Council events in Fairbanks, Alaska, on Wednesday, May 10, 2017. High-level officials from the world's eight Arctic nations, including Tillerson, will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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U.S. Secretary of State Rex Tillerson, seated right, and U.S. Sen. Lisa Murkowski, seated left, speak with representatives of Alaska Native groups at an Arctic Council event in Fairbanks, Alaska. High-level officials from the world's eight Arctic nations will meet in Alaska this week amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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A few hundred people chanted slogans and made speeches to protest the presence of U.S. Secretary of State Rex Tillerson in Fairbanks, Alaska, on Wednesday, May 10, 2017. High-level officials from the world's eight Arctic nations, including Tillerson, will meet in Alaska amid concerns about the future of the sensitive region after President Trump called for more oil drilling and development. (AP Photo/Mark Thiessen)

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U.S Secretary of Energy Rick Perry, second from left, accompanied by Laboratory Director Charlie McMillan, second from right, learns about capabilities at the Los Alamos National Laboratory's Plutonium Facility, from Jeff Yarbrough, right, Los Alamos Associate Director for Plutonium Science and Manufacturing, Wednesday, May 10, 2017, in Los Alamos, N.M. Perry says he will advocate for nuclear power as often and as strongly as he can as the nation looks for ways to fuel its economy and limit the effects of electricity generation on the environment. (Los Alamos National Laboratory via AP)

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Seen in the screen of a video camera, Energy Secretary Rick Perry talks about the need to address low- and high-level nuclear waste during a news conference in Los Alamos, N.M., on May 10, 2017. Perry toured Los Alamos National Laboratory on Wednesday and was briefed on subjects from nuclear deterrence work to supercomputing projects at the northern New Mexico installation. (AP Photo/Susan Montoya Bryan)

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Energy Secretary Rick Perry talks about the need to address low- and high-level nuclear waste during a news conference in Los Alamos, N.M., on May 10, 2017. Perry toured Los Alamos National Laboratory on Wednesday and was briefed on subjects from nuclear deterrence work to supercomputing projects at the northern New Mexico installation. (AP Photo/Susan Montoya Bryan)

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Azerbaijan Secure Energy Source Illustration by Greg Groesch/The Washington Times

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Newly elected South Korean President Moon Jae-in said Wednesday he was open to visiting rival North Korea under the right conditions to talk about Pyongyang's aggressive pursuit of nuclear-tipped missiles. U.S. forces remain on high alert in the region. (Associated Press)

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U.S. Secretary of Health and Human Services Tom Price, left, accompanied by Maine Gov. Paul LePage, speaks to reporters after a meeting to discuss the state's efforts to fight the opioid epidemic, Wednesday, May 10, 2017, at the State House in Augusta, Maine. (AP Photo/Robert F. Bukaty)

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This photo provided by Tesla shows a detail of Tesla's new textured solar roof tiles. As of Wednesday, May 10, 2017, customers worldwide could order a solar roof on Tesla's website. The glass tiles are designed to look like a traditional roof, with options that replicate slate or terracotta tiles. The solar tiles contain photovoltaic cells that are invisible from the street. Installations will begin in June in the U.S., starting with California. Installations outside the U.S. will begin in 2018, the company said. (Courtesy of Tesla via AP)

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This photo provided by Tesla shows a house with Tesla's new slate solar roof tiles. As of Wednesday, May 10, 2017, customers worldwide could order a solar roof on Tesla's website. The glass tiles are designed to look like a traditional roof, with options that replicate slate or terracotta tiles. The solar tiles contain photovoltaic cells that are invisible from the street. Installations will begin in June in the U.S., starting with California. Installations outside the U.S. will begin in 2018, the company said. (Courtesy of Tesla via AP)