"The U.S. Securities and Exchange Commission has ruled Exxon Mobil Corp must include a climate change resolution on its annual shareholder proxy, a defeat for the world's largest publicly traded oil producer, which had argued it already provides adequate carbon disclosures."

"District regulators approved a $6.8 billion merger between Pepco Holdings and Exelon on Wednesday, creating the largest publicly held utility in the country."

"FLINT, Mich. — A task force appointed by Gov. Rick Snyder issued a hard-hitting report on the Flint drinking water public health crisis, slamming the catastrophe as a story of "government failure, intransigence, unpreparedness, delay, inaction and environmental injustice."

"The Labor Department is preparing to issue controversial silica protections for workers. After years of delay, the Labor Department could finalize the silica rules as early as this week, after they were quietly approved by the White House’s Office of Management and Budget (OMB) on Monday."

"A federal judge has ordered the Environmental Protection Agency (EPA) to give the court documents related to its consideration of a controversial mining project in Alaska, ruling he has “no confidence” in the agency’s ability to decide which documents should become public following an open records request."

"The United States on Tuesday announced that tougher rules for labeling Mexican tuna imports as "dolphin-safe" would be expanded to the rest of the world in a bid to end a long-running trade dispute with Mexico."

"U.S. officials moved Thursday to strengthen safety rules for the nation's 300,000-mile network of natural gas transmission pipelines in response to numerous fiery accidents, including a 2010 California explosion that killed eight people and injured more than 50."

"The dangerous culture of male entitlement and sexual hostility hiding within America's national parks and forests."

"A few days after TransCanada terminated his job and offered him a severance package, a whistleblower travelled to Calgary to meet with staff and lawyers at Canada's federal pipeline enforcement agency."

"The Obama administration is sounding alarms over potential dangers in the water supplies on the nation’s Indian reservations, saying the vast majority of tribal members live on reservations that haven’t adopted federally approved standards."