"U.S. wildlife managers released on Thursday a draft plan for stemming the decline of polar bears threatened by melting Arctic sea ice linked to global warming, but the proposal hinges on reductions in greenhouse gas emissions that are far from assured."

"Imperiled polar bears will see a population crash in most parts of the Arctic Ocean if global greenhouse gas emissions continue at current rates, causing accelerated melting of the sea ice the bruins depend on for survival, U.S. scientists said on Wednesday."

"The West is baking under a heat dome that has sent temperatures soaring to historically high levels, further drying out soils and priming the region for fast-spreading wildfires. The heat wave is noteworthy for its severity, extent and duration."

"Five months before a United Nations summit meeting aimed at forging a historic global accord to cut climate-warming emissions, significant signs of progress toward an agreement are emerging."

"The tiny fish known as the bristlemouth is part of a detective story that bears on everything from feeding the planet and monitoring ocean health to learning how to better predict climate change."

"China seeks a fair, global system to tackle climate change and will deliver its pledge to the United Nations by the end of Tuesday on how much it will cut emissions, Chinese Premier Li Keqiang said after talks with top European Union officials."

"The Smithsonian Institution said Friday it would adopt tighter procedures to govern conflicts of interest involving its researchers, the latest development in a widening national discussion of scientific integrity."

"When Pope Francis appeared on the balcony of the Apostolic Palace, where he delivers an address each Sunday, he was met by the usual cheers and by an unusual forest of bright green oversized paper leaves."