"President Barack Obama arrives in Flint Wednesday to witness first-hand a 2-year-old contaminated drinking water crisis amid growing calls for a stronger federal role in fixing the man-made catastrophe."

"WILLIAMSON, W.Va. — Hillary Clinton came to campaign in coal country — and she had her feet held to the fire."

"U.N. diplomats say Norway's former environment and development minister Erik Solheim has been chosen by Secretary-General Ban Ki-moon to head the U.N. environment agency."

"The U.S. Environmental Protection Agency on Monday pulled a report offline that concluded glyphosate is not likely to be carcinogenic to humans, saying the document was inadvertently published and the agency had not finished its review of the chemical, which is the key ingredient in Monsanto's herbicides."

"The first officially reported death in the United States from Zika-related complications, a 70-year-old man in Puerto Rico, intensifies a partisan battle on Capitol Hill over $1.9 billion in emergency funds blocked for two months by Republicans."

"The Dutch chapter of the environmental activist group Greenpeace leaked on Monday what it called a trove of documents from the talks over a proposed trade deal between the European Union and the United States."

"The bison could soon become the national mammal of the United States. Legislation approved by Congress would elevate the bison to a stature approaching that of the bald eagle, long the national emblem. There has not been an official mammal of the United States."

"For most Senate Republicans, climate change is an anathema: 70 percent of Republicans in the Senate deny the scientific consensus that climate change is happening and humans are the main cause. But a growing number of liberal and moderate Republican voters are concerned about climate change and want their elected officials to reflect that concern. And that leaves Republicans in tight campaigns for reelection with an interesting choice: embrace climate action, long seen as a liberal stance, or risk losing crucial voters."

"For the second straight day, Senate Democrats blocked consideration of an energy and water spending package due to a proposed amendment dealing with the Iran nuclear agreement."