"Ahead of a September meeting of the Chesapeake Bay states, Maryland Gov. Larry Hogan again called on Pennsylvania to step up efforts to clean up the estuary and urged the EPA to hold the commonwealth accountable. From Pennsylvania, he got a quick response."

"The Trump administration is set to announce on Thursday that it intends to sharply curtail the regulation of methane emissions, a major contributor to climate change, according to an industry official with knowledge of the plan."

"Scientists have detected microplastic pollution in Lake Tahoe’s deep blue waters for the first time. Now they are trying to determine its source and potential harm to the lake’s flora and fauna."

"The green-blue blooms of toxic algae have been found in Central Park, Morningside Park and Prospect Park."

"More than 100 storage sites for coal-burning power plants’ toxic leftovers lie in areas that federal emergency managers have labeled a high risk for flooding, according to POLITICO’s examination of government and industry data."

"NEWARK, N.J. — New Jersey's biggest city on Monday announced a plan to borrow $120 million to drastically cut the time it will take to replace pipes causing elevated lead levels in drinking water."

"Environmentalists scored a major win today as a federal appeals court rejected industry challenges to Obama-era ozone standards and ordered EPA to take a closer look at one part of the requirements that green groups deemed too lenient."

"NEWARK — In the year after receiving test results showing alarming levels of lead in this city’s drinking water, Mayor Ras Baraka of Newark made a number of unexpected decisions."

"Federal prosecutors in Brazil said on Thursday they will investigate a spike in deforestation and wildfires raging in the Amazon state of Pará to determine whether there has been reduced monitoring and enforcement of environmental protections."

"New York sued the U.S. Environmental Protection Agency on Wednesday, accusing the agency of prematurely allowing General Electric Co to stop clearing the Hudson River of PCB contamination before the cleanup was finished."