"The U.S. Environmental Protection Agency plans sweeping changes to the way it tests for diesel emissions after getting duped by clandestine software in Volkswagen cars for seven years."

"In a landmark speech to a Joint Session of Congress Thursday morning, Pope Francis urged U.S. lawmakers to take "courageous actions and strategies" to fight climate change."

"A looming federal budget confrontation and Republican hostility to UN global-warming talks threaten a U.S. down payment into a key climate-aid fund, money considered vital to a climate deal in Paris this December."

"As the cal­en­dar flips closer to Sept. 30, the talk on Cap­it­ol Hill is dom­in­ated by Planned Par­ent­hood and the loom­ing gov­ern­ment shut­down. But some fear that lost in the shuffle is an­oth­er, much smal­ler dead­line that could go un­ad­dressed."

"WASHINGTON — Welcomed with a fanfare of trumpets and a chorus of amens, Pope Francis introduced himself to the United States on Wednesday with a bracing message on climate change, immigration and poverty that ranged from the pastoral to the political."

"Tiny but powerful forces are invading our seas, and your daily hygiene regimen is likely implicated."

"Concerns about the world's most popular herbicide continue to mount, as U.S. agricultural experts note spreading weed resistance to glyphosate. As the key ingredient in Monsanto Co's Roundup herbicide products as well as about 700 other products, glyphosate is widely used on farms as well as residential lawns."

"The company chairman would later mock climate models as unreliable while he campaigned to stop global action to reduce fossil fuel emissions."

"Casting the fight against climate change as an urgent moral duty, Pope Francis in June urged the world to phase out highly-polluting fossil fuels. Yet in the heart of U.S. oil country several dioceses and other Catholic institutions are leasing out drilling rights to oil and gas companies to bolster their finances, Reuters has found."