"In August 2014, chemicals from a Grupo México mine contaminated a main waterway. A Mexicoleaks Alliance investigation reveals that the spill control equipment at the Buenavista Copper Mine was not in compliance with regulations that federal authorities had failed to enforce since 2011. Now residents of seven Sonora municipalities are filing suit."

"A decadelong push to protect central Idaho's Boulder-White Clouds region came to a close yesterday afternoon with the Senate's unanimous approval of H.R. 1138."

"MOSCOW -- Russia said on Tuesday it has resubmitted a claim to the United Nations for some 1.2 million square km of the Arctic shelf, a drive to secure more of the mineral-rich region where other countries have rival territorial interests."

"First, the National Park Service said it would cut back on selling its visitors bottled water to reduce the litter left behind. Now, Congress — under pressure from the powerful bottled water industry — is threatening to cut off the federal money the Park Service is using to replace the disposable plastic water bottles with refilling stations."

"As we sip our lattes and espressos and read the daily headlines, climate change can seem like a distant threat.  But travel a few thousand miles to the source of your caffeine fix, and the turbulence is all too real."

"Lawmakers are primed for a fight over the future of a critical environmental conservation program."

"WASHINGTON -- A new government rule that promises to do more to protect streams near coal mining operations entered a critical stage this week, with coal industry lobbyists and environmentalists already lining up for battle."

"A conservation group found 36 U.S. national parks had moderate or worse levels of ozone pollution in a report card released on Tuesday, with four parks in California receiving the worst grades for health effects."

"Conservationists are praising a rare bit of bipartisan cooperation in Congress to fund a program for public areas and historic and wilderness lands."