Environment

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FILE - In this Aug. 3, 2014, file photo, an algae bloom covers Lake Erie near the City of Toledo water intake crib about 2.5 miles off the shore of Curtice, Ohio. Several environmental groups in Ohio and Michigan are suing the U.S. Environmental Protection Agency, saying the agency isn't doing enough to protect Lake Erie from toxic algae. The federal lawsuit filed Tuesday, April 25, 2017, said the EPA needs to step in and take action under the Clean Water Act. Algae blooms in the shallowest of the Great Lakes have fouled drinking water in recent years and are a threat to wildlife and water quality. (AP Photo/Haraz N. Ghanbari, File)

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State Sen. Jim Nielsen, R-Gerber, right, questions Bill Croyle, acting director of the Department of Water Resources, about the damage to the spillway of the Oroville Dam, during a hearing of the Senate Natural Resources and Water Committee, Tuesday, April 25, 2017, in Sacramento, Calif. Croyle and Natural Resources Secretary John Laird, updated lawmakers on the actions taken to repair the damaged spillway that caused the evacuation of nearly 200,000 people downstream of the Oroville Dam in February. (AP Photo/Rich Pedroncelli)

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Natural Resources Secretary John Laird, right, discusses the damaged spillway on the Oroville Dam during a hearing of the Senate Committee on Natural Resources and Water, Tuesday, April 25, 2017, in Sacramento, Calif. Laird, and Bill Croyle, left, the acting director of the Department of Water Resources, updated lawmakers on the actions taken to repair the damaged spillway that caused the evacuation of nearly 200,000 people downstream of the Oroville Dam in February. (AP Photo/Rich Pedroncelli)

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Bill Croyle, left, the acting director of the Department of Water Resources, discusses the damaged spillway on the Oroville Dam during a hearing of the Senate of the Natural Resources and Water Committee, Tuesday, April 25, 2017, in Sacramento, Calif. Croyle and Natural Resources Secretary John Laird, right, updated lawmakers on the actions taken to repair the damaged spillway that caused the evacuation of nearly 200,000 people downstream of the Oroville Dam in February. (AP Photo/Rich Pedroncelli)

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Indiana Gov. Eric Holcomb speaks as Lt. Gov. Suzanne Crouch listens during a news conference at the Statehouse, Tuesday, April 25, 2017, in Indianapolis. (AP Photo/Darron Cummings)

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Indiana Gov. Eric Holcomb speaks during a news conference at the Statehouse, Tuesday, April 25, 2017, in Indianapolis. (AP Photo/Darron Cummings)

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Indiana Gov. Eric Holcomb speaks as Lt. Gov. Suzanne Crouch listens during a news conference at the Statehouse, Tuesday, April 25, 2017, in Indianapolis. (AP Photo/Darron Cummings)

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Indiana Gov. Eric Holcomb speaks as Lt. Gov. Suzanne Crouch listens during a news conference at the Statehouse, Tuesday, April 25, 2017, in Indianapolis. (AP Photo/Darron Cummings)

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Indiana Gov. Eric Holcomb speaks during a news conference at the Statehouse, Tuesday, April 25, 2017, in Indianapolis. (AP Photo/Darron Cummings)

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A man takes pictures along a flooded neighborhood in Raleigh, N.C., Tuesday, April 25, 2017. Storms have dumped several inches of rain on North Carolina's capital, prompting firefighters to rescue people from their vehicles and delaying school bus schedules. (AP Photo/Gerry Broome)

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Jamesha Merritt exits a flooded vehicle in Raleigh, N.C., Tuesday, April 25, 2017. Storms have dumped several inches of rain on North Carolina's capital, prompting firefighters to rescue people from their vehicles and delaying school bus schedules. (AP Photo/Gerry Broome)

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Jamesha Merritt clings onto a flooded vehicle in Raleigh, N.C., Tuesday, April 25, 2017. Storms have dumped several inches of rain on North Carolina's capital, prompting firefighters to rescue people from their vehicles and delaying school bus schedules. (AP Photo/Gerry Broome)

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Police block a flooded Creedmoor Road in Raleigh, N.C., Tuesday, April 25, 2017. Storms have dumped several inches of rain on North Carolina's capital, prompting firefighters to rescue people from their vehicles and delaying school bus schedules. (AP Photo/Gerry Broome)

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Floodwater fills the parking lot of Macy's at Crabtree Valley Mall in Raleigh, N.C., Tuesday, April 25, 2017. Storms have dumped several inches of rain on North Carolina's capital, prompting firefighters to rescue people from their vehicles and delaying school bus schedules. (AP Photo/Gerry Broome)

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File - In this Sept. 24, 2014 file photo, a car crosses a stone bridge on the Hana Highway in Hana, Hawaii. A California couple on their honeymoon believe they contracted the rat lungworm disease in the remote Hana area of Maui early this year. After the newlyweds' plight with the disease recently got attention online, the couple and some experts accused Hawaii of failing to adequately warn tourists and residents of the danger. (AP Photo/Marco Garcia, File)

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This 2009 photo provided by the Hawaii Department of Health shows a semi-slug on a nickel on Hawaii's Big Island. A rising number of rat lungworm cases in Hawaii could be blamed on a recent influx on Maui of a semi-slug that can carry the disease, according to the state health department. (Marlena Dixo/Hawaii Department of Health via AP)

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File - In this Sept. 24, 2014, file photo, beach goers frolic on the black sand beach at Waianapanapa State Park in Hana, Hawaii. A California couple on their honeymoon believe they contracted the rat lungworm disease in the remote Hana area of Maui early this year. After the newlyweds' plight with the disease recently got attention online, the couple and some experts accused Hawaii of failing to adequately warn tourists and residents of the danger. (AP Photo/Marco Garcia, File)

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A vanilla ice cream cone prays to "Big ice cream in the sky" during a segment on the Netflix series "Bill Nye Saves the World." ("Bill Nye Saves the World" screenshot)