Freshwater pollution

FILE - In this June 25, 1952 file photo, a fire tug fights flames on the Cuyahoga River near downtown Cleveland. Federal environmental regulators say fish living in the northeastern Ohio river are now safe to eat. The easing of fish consumption restrictions on the Cuyahoga River was lauded by Republican Gov. Mike DeWine as progress achieved by investing in water quality.(The Plain Dealer via AP)

An island of solar panels floats in a pond at the Los Bronces mining plant, about 65 kilometers (approximately 40 miles) from Santiago, Chile, Thursday, March 14, 2019. The island of solar panels could give purpose to mine refuse in Chile by using them to generate clean energy and reduce water evaporation.(AP Photo / Esteban Felix)

FILE - This Aug. 7, 2014, image shows a contract employee watching a crews excavate contaminated soil at a site where millions of gallons of jet fuel leaked underground over decades at Kirtland Air Force Base in Albuquerque, N.M. After excavating thousands of tons of soil and treating millions of gallons of water, New Mexico regulators say the U.S. Air Force still has work to do to clean up the contamination. (AP Photo/Susan Montoya Bryan)

In this image from video provided the Environmental Protection Agency, Associated Press reporter Ellen Knickmeyer, in white, being pushed by a security guard out of EPA headquarters on May 22, 2018, in Washington. Newly released security camera footage discredits Trump administration claims that Knickmeyer tried to force her way into EPA headquarters to cover a summit on drinking water contaminants. Video obtained through a Freedom of Information Act request shows a security guard grab Knickmeyer by the shoulders and shove her out of the agency’s lobby. (EPA via AP)

In this Oct. 9, 2018 photo, police office guards the main entrance to the Supreme Court in Washington. The Supreme Court has agreed to consider a case about the reach of a federal clean water law. The justices agreed Tuesday to hear a case involving the Clean Water Act. The act requires polluters to get a permit when they release pollution from a source such as a pipe or well to certain bodies of water such as rivers and lakes that are called "navigable waters." The case involves treated wastewater from the Lahaina Wastewater Reclamation Facility in Hawaii.(AP Photo/Pablo Martinez Monsivais)

FILE- In this Oct. 16, 2017, file photo Ted Ryfiak shows a clump of resin and scraps found in his backyard along House Street NE in Belmont, Mich. Ryfiak and his neighbors along House Street NE have had their water polluted with perfluoroalkyl and polyfluoroalkyl compounds, or PFAS compounds. The Environmental Protection Agency is expected to announce a plan for dealing with a class of long-lasting chemical contaminants amid complaints from members of Congress and environmentalists that it's not moved aggressively enough to regulate them. (Nic Antaya/The Grand Rapids Press-MLive.com via AP)

FILE - In this Jan. 28, 2019 file photo, a helicopter carrying a body pulled from the mud, days after a Vale dam collapsed, flies over a cemetery with two open graves in Brumadinho, Brazil. Lax regulations, chronic short staffing and a law that muffled the voices of environmentalists on mining licenses made the collapse all but destined to happen, experts and legislators say. (AP Photo/Leo Correa, File)

Tereza Ferreira Nascimento, center, her sister-in-law Sonia Santos, left, and her brother Pedro Ferreira dos Santos dig with garden tools in search of the body of Tereza's and Pedro's missing brother Paulo Giovane Santos, days after a mining company's dam collapsed in Brumadinho, Brazil, Wednesday, Jan. 30, 2019. "We are here since Friday taking turns between brothers, brothers-in-law, searching for the body so that we can at least give him a dignified burial,” said Nascimento, holding back tears. “So far it has been in vain.” (AP Photo/Andre Penner)