Environment

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Kei Nishikori of Japan returns a shot to Carlos Berlocq of Argentina, during an ATP Argentina Open match in Buenos Aires, Argentina, Saturday, Feb. 18, 2017. (AP Photo/Agustin Marcarian)

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This image released by Legendary Pictures and Universal Pictures shows Matt Damon as William Garin in a scene from "The Great Wall." (Jasin Boland/Legendary Pictures and Universal Pictures via AP)

A flooded Interstate 5 snarled traffic for miles on Saturday, Feb. 18, 2017, in Maxwell, Calif. Northern California and the San Francisco Bay Area were facing a weekend return of heavy rain and winds that lashed them earlier in the week before the storm moves out. (Andrew Seng/The Sacramento Bee via AP)

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Jesse Troughton sits inside his family cafe and diner, Kim's Country Cafe, after area storms brought flood-level water to the Colusa County town of Maxwell, Calif. Saturday, Feb. 18, 2017. Northwest of Sacramento, several hundred people were evacuated Saturday as overflowing creeks turned the town of Maxwell into a brown pond, with some homes getting 2 feet of water. (Andrew Seng/The Sacramento Bee via AP)

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Barr Torrens, 5, plays in flooded neighborhood streets after a deluge of rain and water-runoff flooded much of Maxwell, Calif., Saturday, Feb. 18, 2017. Northwest of Sacramento, several hundred people were evacuated Saturday as overflowing creeks turned the town of Maxwell into a brown pond, with some homes getting 2 feet of water. (Andre Seng/The Sacramento Bee via AP)

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Flood water crosses over Interstate 5 at Williams backing up traffic in both north and southbound lanes for hours on Saturday, Feb. 18, 2017 in Williams, Calif. Northern California and the San Francisco Bay Area were facing a weekend return of heavy rain and winds that lashed them earlier in the week before the storm moves out. (Randy Pench/The Sacramento Bee via AP)

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In this view looking north, flood water crosses over Interstate 5 at Williams backing up traffic in both north and southbound lanes for hours on Saturday, February 18, 2017 in Williams, Calif. Northern California and the San Francisco Bay Area were facing a weekend return of heavy rain and winds that lashed them earlier in the week before the storm moves out. (Randy Pench/The Sacramento Bee via AP)

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Flood water crosses over Interstate 5 at Williams backing up traffic in both north and southbound lanes for hours on Saturday, Feb. 18, 2017, in Williams, Calif. Northern California and the San Francisco Bay Area were facing a weekend return of heavy rain and winds that lashed them earlier in the week before the storm moves out. (Randy Pench/The Sacramento Bee via AP)

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Duke's Grayson Allen (3) and Amile Jefferson (21) struggle for the ball with Wake Forest's John Collins (20) during the second half of an NCAA college basketball game in Durham, N.C., Saturday, Feb. 18, 2017. Duke won 99-94. (AP Photo/Gerry Broome)

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Duke's Luke Kennard (5) drive to the basket as Wake Forest's John Collins (20) defends during the second half of an NCAA college basketball game in Durham, N.C., Saturday, Feb. 18, 2017. Duke won 99-94. (AP Photo/Gerry Broome)

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Stan Ross of Newport Beach digs up some sand near the Balboa Pier in Newport Beach, Calif., early Saturday, Feb. 18, 2017, as he looks for coins and jewelry following Friday's storm that eroded the beach, brought high winds, and heavy rain which flooded many areas in Southern California. (Mark Rightmire/The Orange County Register via AP)

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Wake Forest's John Collins (20) dunks against Duke during the first half of an NCAA college basketball game in Durham, N.C., Saturday, Feb. 18, 2017. (AP Photo/Gerry Broome)

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Duke's Frank Jackson, right, and Wake Forest's Bryant Crawford reach for a loose ball during the first half of an NCAA college basketball game in Durham, N.C., Saturday, Feb. 18, 2017. (AP Photo/Gerry Broome)

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Duke's Frank Jackson (15) collides with Wake Forest's Brandon Childress (0) during the first half of an NCAA college basketball game in Durham, N.C., Saturday, Feb. 18, 2017. (AP Photo/Gerry Broome)

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Duke's Jayson Tatum drives to the basket while Wake Forest's Konstantinos Mitoglou (44) defends during the second half of an NCAA college basketball game in Durham, N.C., Saturday, Feb. 18, 2017. Duke won 99-94. (AP Photo/Gerry Broome)

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Raindrops splash in water, mud and debris in a basin slowly filling up in Duarte, Calif., in a threatened area below a burn area know as the Fish Fire, as a powerful storm moves into Southern California Friday, Feb. 17, 2017. The saturated state faces a new round of wet weather that could trigger flooding and debris flows. (AP Photo/Reed Saxon)

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Sandbags border a trailer at Driftwood Mobile Home Park on the Tuolumne river Friday, Feb. 17, 2017, in Modesto, Calif. Fire crews visited the park this morning to ask people to voluntarily evacuate because of rising water. (Joan Barnett Lee /The Modesto Bee via AP)

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Floodwaters from the Tuolumne River have reached the picnic area at Driftwood Mobile Home Park Friday, Feb. 17, 2017 in Modesto, Calif. (Joan Barnett Lee /The Modesto Bee via AP)

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Pacific Coast Highway is reduced to one lane from three at the California Incline due to mud and debris being washed down from the bluffs in Santa Monica, Calif., as a powerful storm moves into Southern California Friday, Feb. 17, 2017. The saturated state faces a new round of wet weather that could trigger flooding and debris flows. (AP Photo/Reed Saxon)

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A section of southbound Interstate 15 just south of Hwy 138 is washed away on Friday, Feb., 17, 2017, in the Cajon Pass, Calif. A powerful Pacific storm blew into Southern and Central California on Friday with wind-driven heavy rains that downed power lines and disrupted hundreds of flights at airports. (David Pardo/The Daily Press via AP) /The Daily Press via AP)