"Europe and the United States tried to bridge differences over emissions standards for aircraft on Sunday as global aviation leaders prepared to adopt new rules that could affect Boeing Co and Airbus Group's production of the largest jetliners and freighters."

"Oil giant ExxonMobil moved to reject a shareholder proposal calling for the company to assert moral leadership on climate change and pledge to work toward limiting global warming to 2 degrees Celsius or less."

"Federal officials want to join settlement talks over an environmental group’s lawsuits on coal mining’s possible climate change effects in Western states."

"Over the coming decades, dozens of marine species from the Carolinas to New England will be threatened by the warming, changing currents and the increased acidity expected to alter the region’s waters, according to a new study by scientists at the National Oceanic and Atmospheric Administration."

"On a treeless plain in eastern Ethiopia, thousands of destitute pastoralists have set up camp outside the tiny village of Fedeto. Over the past six months the camp has swelled as one of the worst droughts in decades has decimated herds, dried up pasture and made even drinking water scarce."

"Only 3 percent of the juveniles of an endangered salmon species survived the drought along the Sacramento River in 2015 despite extraordinary efforts by federal and state officials to save them, federal officials said Monday."

"The struggle to expand or restrict the nation's action on climate change in the next presidency intensifies today in Iowa."

"A decades-old and little-used provision of the Clean Air Act intended to make the United States a good environmental neighbor could now be employed to comprehensively control the nation’s greenhouse gas emissions, according to a new analysis."

"Canadian Prime Minister Justin Trudeau pledged on Tuesday to require that environmental reviews of oil pipelines and LNG export projects consider greenhouse gas effects, and said it was not his role to be a cheerleader for such projects."

"A group of U.S. states led by coal producer West Virginia and oil producer Texas on Tuesday asked the U.S. Supreme Court to put a hold on President Barack Obama's plan to curb carbon dioxide emissions from power plants to combat climate change."