Environment

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In this May 20, 2017 photo, a handmade sign stands in front of the fire-damaged Mountain Laurel Chalets. A deadly wildfire in November of 2016 put a dent in the tourism industry, but signs of growth are returning. (AP Photo/Kristin Hall)

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An American flag flies at half-staff in front of the Didion Ethanol Plant in the Village of Cambria, Wis., Friday, June 2, 2017. An explosion at the next-door Didion Milling Plant, background, on Wednesday night killed three employees and injured about a dozen others. (Michael P. King/Wisconsin State Journal via AP)

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California Gov. Jerry Brown, center, talks with reporters after delivering a speech during the Clean Energy Ministerial International Forum on Electric Vehicle Pilot Cities and Industrial Development, at a hotel in Beijing, Tuesday, June 6, 2017. Brown predicts that President Donald Trump's decision to pull the U.S. out of the Paris climate accord will prove temporary because of the urgency of the issue. He told The Associated Press on the sidelines of a clean energy conference in Beijing on Tuesday that China, Europe and U.S. state governors will for now fill the gap left by the federal government's move to abdicate leadership on the issue. (AP Photo/Andy Wong)

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California Gov. Jerry Brown speaks during the Clean Energy Ministerial International Forum on Electric Vehicle Pilot Cities and Industrial Development at a hotel in Beijing, Tuesday, June 6, 2017. Brown predicts that President Donald Trump's decision to pull the U.S. out of the Paris climate accord will prove temporary because of the urgency of the issue. He told The Associated Press on the sidelines of a clean energy conference in Beijing on Tuesday that China, Europe and U.S. state governors will for now fill the gap left by the federal government's move to abdicate leadership on the issue. (AP Photo/Andy Wong)

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California Gov. Jerry Brown attends the Clean Energy Ministerial International Forum on Electric Vehicle Pilot Cities and Industrial Development, at a hotel in Beijing, Tuesday, June 6, 2017. Brown predicts that President Donald Trump's decision to pull the U.S. out of the Paris climate accord will prove temporary because of the urgency of the issue. He told The Associated Press on the sidelines of a clean energy conference in Beijing on Tuesday that China, Europe and U.S. state governors will for now fill the gap left by the federal government's move to abdicate leadership on the issue. (AP Photo/Andy Wong)

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This April 17, 2017, photo shows the construction of the new Park Road Bridge in Iowa City, Iowa. After routine flooding in recent years, the city has started a $40 million project to raise Dubuque Street and the bridge, which takes traffic over the Iowa River near the University of Iowa campus. (AP Photo/Ryan J. Foley)

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This April 6, 2017 photo shows Milwaukee's South Sixth Street Bridge over the Kinnickinnic River. The Milwaukee Metropolitan Sewerage District raised the bridge to prevent the waterway from backing up amid downpours. It's a technique cities nationwide are using as officials prepare for more intense rainstorms resulting from a warming climate. (AP Photo/Ivan Moreno)

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In this March 28, 2017, photo, the Red Bridge pedestrian bridge is seen over the Des Moines River in Des Moines, Iowa. A little more than a decade after it was restored, crews went back to the site with a crane to hoist the span more than 4 feet higher, at a cost of $3 million, after experts concluded that the river's flooding risk was double the previous estimates. (AP Photo/Charlie Neibergall)

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FILE- In this Jan. 4, 2017, file photo, traffic crosses the Virginia Street bridge in downtown Reno, Nev., above the rising waters of the Truckee River, where a flash flood watch was in effect. The bridge built last year replaced a century-old one where logjams were blamed for intensifying flooding that caused hundreds of millions of dollars of damage in January 1997. (AP Photo/Scott Sonner, File)

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This April 17, 2017, photo shows the construction of the new Park Road Bridge in Iowa City, Iowa. After routine flooding in recent years, the city has started a $40 million project to raise Dubuque Street and the bridge, which takes traffic over the Iowa River near the University of Iowa campus. (AP Photo/Ryan J. Foley)

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In this April 18, 2017, photo, the Red Bridge pedestrian bridge is seen over the Des Moines River in Des Moines, Iowa. A little more than a decade after it was restored, crews went back to the site with a crane to hoist the span more than 4 feet higher, at a cost of $3 million, after experts concluded that the river's flooding risk was double the previous estimates. (AP Photo/Charlie Neibergall)

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California Gov. Jerry Brown waves to photographers as he arrives for the Clean Energy Ministerial International Forum on Electric Vehicle Pilot Cities and Industrial Development, at a hotel in Beijing, Tuesday, June 6, 2017. (AP Photo/Andy Wong)

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California Gov. Jerry Brown, left, chats with China's Science and Technology Minister Wan Gang as they attend the Clean Energy Ministerial International Forum on Electric Vehicle Pilot Cities and Industrial Development, at a hotel in Beijing, Tuesday, June 6, 2017. (AP Photo/Andy Wong)

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Illustration on America's continued advances in renewable energy by Linas Garsys/The Washington Times

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In this June 1, 2017 photo Greenpeace activists demonstrate in front of the freighter "SBI'Subaru" holding a banner with the inscription "Planet Earth First"' in Hamburg, Germany. The activists had previously followed the freighter on inflatable rafts and wrote the inscriptions "No Coal" and "No Trump" on the freighter's hull. (Bodo Marks/dpa via AP)

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President Donald Trump gestures while speaking about the U.S. role in the Paris climate change accord, Thursday, June 1, 2017, in the Rose Garden of the White House in Washington. (AP Photo/Pablo Martinez Monsivais)

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President Donald Trump walks to the Oval Office of the White House in Washington, Thursday, June 1, 2017, after speaking in the Rose Garden about the US role in the Paris climate change accord. (AP Photo/Andrew Harnik)

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In this Thursday, June 1, 2017 photo, Gov. Gary Herbert, center, is joined by other state representatives and crime lab officials as they cut the ribbon on the new Unified State Laboratory, that includes the Utah State Medical Examiner's Office and the Department of Agriculture and Food, in Taylorsville, Utah. (Francisco Kjolseth/The Salt Lake Tribune via AP)

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Hundreds of students at the Evergreen State College in Olympia, Washington, protested against the college administration and demanded change after weeks of brewing racial tension on campus. (Associated Press)