"Minnesota regulators on Thursday granted key permits to the long-planned PolyMet copper-mining project that’s opposed by environmentalists who fear it could someday foul waters, including Lake Superior."

"A small, brownish weasel that spends much of its life in the water, hunting for fish and frogs, the American mink is a signal for the ecological health of where it lives. Right now, the mink is not doing very well along the Hudson River, largely due to decades of PCB pollution ... ."

"For nearly a year and a half, top officials in Newark denied that their water system had a widespread lead problem, despite ample evidence that the city was facing a public health crisis that had echoes of the one in Flint, Mich."

"WASHINGTON -- The Environmental Protection Agency has quietly signaled it may allow states to release more ozone air pollution, commonly known as smog, dirtying the air in those states and neighboring ones, but the agency did not review the health impact of such a move.

The Trump administration's position is outlined in a highly technical guidance memo about plans states must create and submit for EPA approval under the Clean Air Act's good neighbor requirements. It was sent in August to EPA regional offices and posted on the agency's website, but not announced to the public.

"What factory farm owners portray as “normal odors” from animal waste can cause serious harm to farmers and the residents who live near these large industrial operations."

"A western Michigan school has begun distributing bottled water after state environmental officials said it had elevated levels of toxic industrial chemicals."

"The fires burn constantly in and around Onitsha, a growing city nestled on the banks of the Niger River in southern Nigeria. Each fire is surrounded by its own hellscape of rotting food, mounded rubbish, castoff computers, and slaughterhouse scraps, and the blazes — often fueled with old tires sliced into ribbons — incinerate the city’s waste and send out noxious plumes of smoke laden with dangerously high levels of particulate pollution."

"Air pollution kills an estimated 600,000 children every year and causing symptoms ranging from loss of intelligence to obesity and ear infections but there is a limited amount parents can do, a World Health Organization report said on Monday."

"The United Nations shipping agency pushed back this week on any phased entry for tougher marine fuel rules and further tightened regulations that will come into force in 2020."

"A group of 20 U.S. states and several major cities on Friday urged the Trump administration to abandon a proposal to freeze fuel efficiency standards after 2020 and strip California of the ability to impose its own vehicle emissions rules."