Environment

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In this July 31, 2017 photo, a discarded doll lays amid scattered garbage on the shores of Guanabara Bay, in Rio de Janeiro, Brazil. In it's Olympic bid, Rio promised to clean up the bay and up its treatment of sewage, promises that were not kept. (AP Photo/Silvia Izquierdo)

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In this July 31, 2017 photo Biologist Mario Moscatelli speaks during an interview with the AP on the shores of Guanabara bay, in Rio de Janeiro, Brazil. Rio pledged in its Olympic bid to treat 80 percent of its water waste before the start of the Games, but it failed to deliver on that promise. A study commissioned by The Associated Press showed dangerously high levels of contamination. (AP Photo/Silvia Izquierdo)

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In this July 31, 2017 photo, a trash barrier hold back the surface filth at the heavily polluted Jacarepagua lagoon, in Rio de Janeiro, Brazil. Rio pledged in its Olympic bid to treat 80 percent of its water waste before the start of the Games, but it failed to deliver on that promise. (AP Photo/Silvia Izquierdo)

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In tis July 31, 2017 photo, residents of Rio das Pedras neighborhood leave their boat moored on the polluted shore of Jacarepagua lagoon, in Rio de Janeiro, Brazil. Rio pledged in its Olympic bid to treat 80 percent of its water waste before the start of the Games, but it failed to deliver on that promise. (AP Photo/Silvia Izquierdo)

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In this July 31, 2017 photo, a trash barrier hold back the surface filth of the heavily polluted Jacarepagua lagoon, in Rio de Janeiro, Brazil. Rio pledged in its Olympic bid to treat 80 percent of its water waste before the start of the Games, but it failed to deliver on that promise. (AP Photo/Silvia Izquierdo)

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In this July 31, 2017 photo, men transport their belongings on a boat over the polluted Jacarepagua lagoon, in Rio de Janeiro, Brazil. Rio pledged in its Olympic bid to treat 80 percent of its water waste before the start of the Games, but it failed to deliver on that promise. (AP Photo/Silvia Izquierdo)

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This July 31, 2017 photo, shows the heavily the polluted Jacarepagua lagoon, in Rio de Janeiro, Brazil. Rio pledged in its Olympic bid to treat 80 percent of its water waste before the start of the Games, but it failed to deliver on that promise. A study commissioned by The Associated Press shows dangerously high levels of contamination. (AP Photo/Silvia Izquierdo)

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This July 31, 2017 photo, shows the heavily polluted Jacarepagua lagoon, in Rio de Janeiro, Brazil. In it's Olympic bid, Rio promised to clean up the bay and up its treatment of sewage, promises that were not kept. (AP Photo/Silvia Izquierdo)

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ADVANCED FOR RELEASE SATURDAY, AUGUST 5, 2017 Herpetologist Dennis Ferraro walks along a fence that helps steer turtles into a pipe so they can safely cross Highway 83 at the Valentine National Wildlife Refuge Tuesday, June 6, 2017, in Valentine, Neb. (Matt Dixon/The World-Herald via AP)

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ADVANCED FOR RELEASE SATURDAY, AUGUST 5, 2017 Herpetologist Dennis Ferraro with a Blandings turtle at Valentine National Wildlife Refuge Tuesday, June 6th, 2017, in Valentine, Neb. (Matt Dixon/Omaha World-Herald via AP)

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Cardboard frames for solar eclipse glasses are stacked in the American Paper Optics factory in Bartlett, Tenn., on Wednesday, June 21, 2017. The company is one of many businesses _ hotels, campgrounds and stores _ taking advantage of the total solar eclipse _ when the moon passes between Earth and the sun. The moon's shadow will fall in a diagonal ribbon across the U.S., from Oregon to South Carolina. (AP Photo/Adrian Sainz)

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FILE - In this June 26, 2017 file photo, Laurel Krokstrom holds a model of the Earth, while Jamalee Clark, right, uses a flashlight to simulate the sun while Laura Peticolas, center, holds the moon and explains how a total solar eclipse occurs, in Gering, Neb. (Irene North/The Star-Herald via AP)

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In this Monday July 10, 2017, photo provided by Francesca McAndrews, a piglet, who McAndrews named Enzo, lies with a visible hernia, in a pen in Lancaster, Pa. McAndrews, who rescued the piglet that was darting in and out of morning rush hour traffic, is getting help from local businesses to fund a surgery the animal needs to survive. Veterinarians said the animal needs surgery on the hernia it likely developed in a fall from a livestock truck. (Francesca McAndrews via AP)

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In this Friday, July 7, 2017 photo provided by Francesca McAndrews, McAndrews, left, takes a selfie with a piglet, who McAndrews named Enzo and the animal's caretaker Lorrie Dunn in Lancaster, Pa. McAndrews, who rescued the piglet that was darting in and out of morning rush hour traffic, is getting help from local businesses to fund a surgery the animal needs to survive. (Francesca McAndrews via AP)

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FILE - This Jan. 25, 2017 file photo shows the Gallatin Fossil Plant in Gallatin, Tenn. A federal judge on Friday, AUG. 4, 2017 ordered the nation’s largest public utility to dig up its coal ash at Tennessee Valley Authority’s Gallatin Fossil Plant and move it to a lined waste site where it doesn’t risk further polluting the Cumberland River.(AP Photo/Mark Humphrey, File)

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This July 20, 2017 photo, shows Anni Mitchell, FWC wildlife biologist, as she approaches a sick juvenile eagle at a garbage collection center in Lake City, Fla. The eagle is being treated for poisoning and will be released into the wild after rehabilitation. (Karen Parker/FWC via AP)

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This July 20, 2017 photo shows Sarah Helm, left, wildlife assistance biologist, and Anni Mitchell, wildlife biologist, as they put a captured juvenile eagle into a carrier in Lake City, Fla . The eagle is being treated for poisoning and will be released into the wild after rehabilitation. (Karen Parker/FWC via AP)

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This July 20, 2017 photo, shows Anni Mitchell, FWC wildlife biologist, as she holds a sick juvenile eagle at a garbage collection center in Lake City, Fla. The eagle is being treated for poisoning and will be released into the wild after rehabilitation. (Karen Parker/FWC photo by Karen Parker via AP)

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This photo provided by the Wayne Township Fire Department shows a network of large pipes and support structures that collapsed at a Rolls-Royce aircraft-engine assembly plant in Indianapolis, Friday, Aug. 4, 2017. A Rolls Royce spokesman said there were no injuries. (Michael D. Pruitt/Wayne Township Fire Department via AP)

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