Environment

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This undated aerial photo provided Matthew Kirwan shows a narrow band of brown pine trees that were killed by October 2015 tidal flooding near Yorktown, Va. Rising sea levels are killing trees along vast swaths of the North American coast by inundating them in salt water. The dead trees in what used to be thriving freshwater coastal environments are called “ghost forests” by researchers. (David Walters via AP)

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This undated photo provided by Matthew Kirwan shows Phragmites and Spartina marshland expanding into a ghost forest in Robbins, Md. Rising sea levels are killing trees along vast swaths of the North American coast by inundating them in salt water. The dead trees in what used to be thriving freshwater coastal environments are called “ghost forests” by researchers. (Matthew Kirwan via AP)

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In this July 16, 2017, photo, the sun rises on a "ghost forest" near the Savannah River in Port Wentworth, Ga. Rising sea levels are killing trees along vast swaths of the North American coast by inundating them in salt water. The dead trees in what used to be thriving freshwater coastal environments are called “ghost forests” by researchers. (AP Photo/Stephen B. Morton)

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In this July 16, 2017, photo, the sun rises on a "ghost forest" near the Savannah River in Port Wentworth, Ga. Rising sea levels are killing trees along vast swaths of the North American coast by inundating them in salt water. The dead trees in what used to be thriving freshwater coastal environments are called “ghost forests” by researchers. (AP Photo/Stephen B. Morton)

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In this July 16, 2017, photo, the sun rises on a "ghost forest" near the Savannah River in Port Wentworth, Ga. Rising sea levels are killing trees along vast swaths of the North American coast by inundating them in salt water. The dead trees in what used to be thriving freshwater coastal environments are called “ghost forests” by researchers. (AP Photo/Stephen B. Morton)

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This July 16, 2017, photo shows a "ghost forest" near the Savannah River in Port Wentworth, Ga. Rising sea levels are killing trees along vast swaths of the North American coast by inundating them in salt water. The dead trees in what used to be thriving freshwater coastal environments are called “ghost forests” by researchers. (AP Photo/Stephen B. Morton)

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In this July 16, 2017, photo, the sun rises on a "ghost forest" near the Savannah River in Port Wentworth, Ga. Rising sea levels are killing trees along vast swaths of the North American coast by inundating them in salt water. The dead trees in what used to be thriving freshwater coastal environments are called “ghost forests” by researchers. (AP Photo/Stephen B. Morton)

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FILE- In this May 11, 2016 file photo, Indian farmer Anant More inspects his destroyed crop of sugarcane due to drought in Marathwada region, in the Indian state of Maharashtra. Researchers report a link between crop-damaging temperatures and suicide rates in India, where more than 130,000 farmers end their lives every year. (AP Photo/Manish Swarup, File)

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In this May 27, 2010, file photo, a worker looks out through the logo at the entrance of the Foxconn complex in the southern Chinese city of Shenzhen. Conservationists are lining up to oppose Republican plans to eliminate key environmental regulations as part of an incentive package to lure a $10 billion Foxconn electronics plant to southeastern Wisconsin. Gov. Scott Walker's incentives bill would exempt the company from environmental impact statements and state permits for filling wetlands and building on lake beds. (AP Photo/Kin Cheung, File)

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FILE - In this May 21, 2017 file photo, Sam Hunt arrives at the Billboard Music Awards in Las Vegas. Hunt has beaten out Florida Georgia Line for a record number of weeks atop Billboard’s Hot Country Songs chart with his single “Body Like a Back Road." (Photo by Richard Shotwell/Invision/AP, File)

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In this July 28, 2017 photo, a homesteader's log cabin is seen at the Homestead National Monument of America in Beatrice, Neb., one of the many places in Nebraska where the total solar eclipse on Aug. 21, 2017, can be seen. On Monday, July 31, 2017, Nebraska Gov. Pete Ricketts plans to announce a series of steps state agencies are taking to prepare for the solar eclipse, which is expected to draw visitors from around the world to the state. (AP Photo/Nati Harnik)

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FILE - This July 6, 2011, file photo shows a grizzly bear roaming near Beaver Lake in Yellowstone National Park, Wyo. For the second time in a decade, the U.S. government has removed grizzly bears in the Yellowstone region from the threatened species list. The decision by the U.S. Fish and Wildlife Service to remove federal protections from the approximately 700 bears living across 19,000 square miles in Montana, Idaho and Wyoming took effect Monday, July 31, 2017. (AP Photo/Jim Urquhart, File)

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FILE - In this Sept. 25, 2013, file photo, a grizzly bear cub searches for fallen fruit beneath an apple tree a few miles from the north entrance to Yellowstone National Park in Gardiner, Mont. For the second time in a decade, the U.S. government has removed grizzly bears in the Yellowstone region from the threatened species list. The decision by the U.S. Fish and Wildlife Service to remove federal protections from the approximately 700 bears living across 19,000 square miles in Montana, Idaho and Wyoming took effect Monday, July 31, 2017. (Alan Rogers/The Casper Star-Tribune via AP, file)

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In this July 18, 2017 photo, Energy Secretary Rick Perry attends a news conference at the National Press Club in Washington. The Trump administration says a Pennsylvania-based coal company has won a contract to supply coal used for heating to Ukraine’s state-owned power company. The deal announced Monday calls for Xcoal Energy and Resources to ship 700,000 tons of thermal coal to the Ukraine to heat homes and businesses. (AP Photo/Jacquelyn Martin)

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FILE - This April 9, 2012 file photo shows construction well underway for two new nuclear reactors at the V.C. Summer Nuclear Station in Jenkinsville, S.C. South Carolina's state-owned public utility has voted to stop construction on two billion-dollar nuclear reactors. The reactors were set to be among the first new nuclear reactors built in the U.S. in decades, but the vote by Santee Cooper’s board on Monday, July 31, 2017 likely ends their future. (AP Photo/Jeffrey Collins)

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This June 20, 2017 photo shows Drew Redman and Ryan Johnson riding on the riverbed of the Little Missouri River in western North Dakota. The area is experiencing a drought this season, making it possible for Redman to ride across the low-flowing river. (AP Photo/Carey J. Williams)