"Two environmental groups gave formal notice Friday that they will sue to protect endangered Alaska beluga whales from problems caused by oil and gas operations."

"Many business interests are cheering President Trump's recent rollback of water regulations put in place by the Obama administration. But companies that make money protecting clean water could take a big hit."

"Environmental groups are calling on the Supreme Court to review the legality of the Trump administration’s decision to exempt various border wall projects from environmental laws."

"Scientists in Antarctica have recorded, for the first time, unusually warm water beneath a glacier the size of Florida that is already melting and contributing to a rise in sea levels."

"The Land and Water Conservation Fund has provided critical dollars over the years to help mitigate the ravages of extreme weather and sea-level rise, according to a new nonprofit report."

"House Democratic leaders unveiled the outlines for a $760 billion, five-year infrastructure package on Wednesday — a proposal that includes an ambitious climate agenda but not, so far, many specifics about how to find the money." "The backbone of the plan would be a highway, rail and transit bill, of the kind that Congress enacts typically every four or five years."

"Two environmental groups are threatening to file suit against the Army Corps of Engineers, the Mississippi River Commission and the Interior Department for failing to evaluate the impact of repeatedly opening the Bonnet Carre Spillway."

"The Environmental Protection Agency has made it easier for cities to keep dumping raw sewage into rivers by letting them delay or otherwise change federally imposed fixes to their sewer systems, according to interviews with local officials, water utilities and their lobbyists."

"Critics say the Environmental Protection Agency’s (EPA) water policy unveiled Thursday is one of the biggest rollbacks to water policy in decades, but it’s tough to know the extent of its impact because of challenges that come with mapping America’s waterways."

"A conservation group announced Monday that it’s preparing to sue the Environmental Protection Agency for failing to enforce the Clean Water Act relating to pollution limits for the Chesapeake Bay."