Environment

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Left to right: U.S. Geological Survey Volcano Hazards Program Coordinator Dr. Charles Mandeville, State of Hawaii Insurance Commissioner Gordon Ito, Wyoming State Geological Survey Director and State Geologist Tom Drean, and Oregon State University Professor Shanaka de Silva testify before the House Subcommittee on Energy and Mineral Resources on Capitol Hill on the current state of volcanic hazards in the United States, Washington, D.C., Wednesday, November 19, 2014. (Andrew Harnik/The Washington Times)

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Left to right: U.S. Geological Survey Volcano Hazards Program Coordinator Dr. Charles Mandeville, State of Hawaii Insurance Commissioner Gordon Ito, Wyoming State Geological Survey Director and State Geologist Tom Drean, and Oregon State University Professor Shanaka de Silva testify before the House Subcommittee on Energy and Mineral Resources on Capitol Hill on the current state of volcanic hazards in the United States, Washington, D.C., Wednesday, November 19, 2014. (Andrew Harnik/The Washington Times)

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College students and supporters hold up signs at a rally to support fossil fuel divestment outside of City Hall in San Francisco, Thursday, May 2, 2013. In an effort to slow the pace of climate change, students at more than 200 colleges are asking their schools to stop investing in fossil fuel companies. (AP Photo/Jeff Chiu)

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Former Sen. Barry Goldwater flew from his home in Arizona February 15, 1988 to endorse Vice President George H.W. Bush in the New Hampshire primary during a news conference in Nashua. Mr. Bush went on to defeat Democratic challenger Michael Dukakis and serve one term as president.

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FILE - This Aug. 13, 2014 photo shows an array of mirrors at the Ivanpah Solar Electric Generating site in Primm, Nev. The largest solar power plant of its type in the world, promoted as a turning point in green energy, isn’t producing the expected energy and one of the reasons is as basic as it gets: The sun isn’t shining as often as expected. (AP Photo/John Locher, File)

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Ships bringing oil drilling equipment to Alaska pass through Seattle's Elliott Bay. Sen. Lisa Murkowski, Alaska Republican and the presumed next chairwoman of the Senate Committee on Energy and Natural Resources, has been the leading proponent in Congress for ending the ban on the sale of U.S. oil to foreign buyers. Ms. Murkowski argues that a sea change in the way oil and gas prices are determined in global markets has made the ban — a relic of the 1970s fuel scarcity — something that is increasingly harming the outlook for the nation's booming shale oil industry. (Associated Press)

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National Edition News cover for November 16, 2014 - U.S. Energy Department doing poor job policing nuclear exports with Iran deal pending: A crane loads containers with low-enriched uranium to be used as fuel for nuclear reactors aboard Atlantic Navigator ship, on a port in St. Petersburg, Russia, Thursday, Nov. 14, 2013. A 20-year program to convert highly enriched uranium from dismantled Russian nuclear weapons into fuel for U.S. power plants has ended, with the final shipment loaded onto a vessel in St. Petersburg's port on Thursday. The U.S. Energy Department described the program, commonly known as Megatons to Megawatts, as one of the most successful nuclear nonproliferation partnerships ever undertaken. (AP Photo/Dmitry Lovetsky)

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In this Nov. 13, 2014 photo provided by the U.S. Geological Survey, lava flow from the Kilauea Volcano that began on June 27 surrounds an outer fence to the Pahoa transfer station in Pahoa, Hawaii. The county says the breakouts don't pose an immediate threat to area residents. (AP Photo/U.S. Geological Survey)

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Former Senator Barry Goldwater flew from his home in Arizona Monday, February 15, 1988 to endorse Vice President George Bush in the New Hampshire primary during a news conference in Nashua. (AP Photo/Jim Gerberich)

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Under the historic climate agreement, our Chinese colleagues ... (Illustration by Drew Sheneman of the Tribune Media Services)

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President Obama and Chinese President Xi Jinping continued their talks at an economic summit in the capital city of Beijing. Despite the two nations vowing to curb greenhouse gas emissions, Mr. Obama's detractors say that he should be pressing China harder on economic agreements that keep U.S. interests front and center. (Associated Press)

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Milan, Kansas resident Orin Dodez cleans up his home after a nearby 4.8 earthquake struck the area Wednesday, Nov. 12, 2014. He said this is the fourth or fifth one he's felt recently and thinks that nearby fracking is the cause. (AP Photo/The Wichita Eagle - Kansas.com, Fernando Salazar) **FILE**

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President Obama and Chinese President Xi Jinping announced an unprecedented agreement to limit carbon emissions in an attempt to fight climate change in this 2014 file photo. (Associated Press) **FILE**

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President Obama left Beijing with a plan to reduce U.S. greenhouse gas emissions from 2005 levels by at least 26 percent by 2025, a goal that many say is unattainable. (Associated Press)

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An U.S. Customs and Border Protection Air and Marine agent peers out of the open door of a helicopter during a patrol flight over McAllen, Texas, near the U.S.-Mexico border. (Associated Press)

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Former Arkansas Gov. Mike Huckabee has taken up a presidential pose, with a new book due out in 10 weeks. (AP Photo/Steve Cannon) **FILE**

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National Edition Opinion cover for November 12, 2014 - Forcing women into combat (Illustration by Nancy Ohanian for Tribune Content Agency)

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The picture taken with the navigation camera on Rosetta and released by the European Space Agency ESA shows the boulder-strewn neck region of Comet 67P/Churyumov–Gerasimenko, with the smaller lobe on the left and the larger lobe on the right. It was captured from a distance of 9.7 km from the center of the comet (about 7.7 km / 4.8 miles) from the surface) on Oct. 28, 2014. On Wednesday, Nov. 12, 2014 the Philae lander will be detached from Rosetta to land on the comet. (AP Photo/ESA)

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This Oct. 5, 2009, file photo shows Joan Rivers posing as she presents "Comedy Roast with Joan Rivers" during the 25th MIPCOM (International Film and Programme Market for TV, Video, Cable and Satellite) in Cannes, southeastern France. The comedian, who was 81, died Sept. 4, 2014. (AP Photo/Lionel Cironneau, File)