"A panel of U.S. Environmental Protection Agency science advisers is strongly criticizing last year’s much-cited EPA report that agency officials had tried to tout as finding that the nation’s natural gas drilling and production boom had not led to “widespread, systematic” impacts on drinking water supplies."

"Democratic presidential hopeful Bernie Sanders, who’s repeatedly accused Donald Trump of being a divisive “demagogue,” opened a new line of attack Monday night on the Republican front-runner: lampooning his views on climate change."

"A few weeks before seminal climate change talks in Kyoto back in 1997, Mobil Oil took out a bluntly worded advertisement in the New York Times and Washington Post."

"When Republican House leaders appointed Texas Republican Lamar S. Smith to lead the House science committee after a headline-grabbing run as chairman of the Judiciary panel, it looked like the veteran lawmaker could head into obscurity."

"A prominent scientist in the USDA’s Agricultural Research Service has just cleared the first hurdle in an ongoing whistleblower claim against the agency."

"The American Petroleum Institute together with the nation's largest oil companies ran a task force to monitor and share climate research between 1979 and 1983, indicating that the oil industry, not just Exxon alone, was aware of its possible impact on the world's climate far earlier than previously known."

"Federal officials are turning over scores of emails and documents related to climate science research in response to a subpoena from a House committee."

"With a Paris climate agreement just over a week old, President Obama is singling out the GOP on climate change. In an interview with NPR's Steve Inskeep, the president lambasted Republicans, whom he views as excessively contrarian on the issue."

"Kathryn Sullivan has helped U.S. Navy sailors navigate — literally — through rough seas as an oceanographer in the Navy Reserves. As a NASA astronaut, she’s walked in space, the first American woman to step outside a spacecraft, 140 miles above Earth. These challenges are a world apart from what she’s now confronting in Washington as she leads an agency of federal scientists in the crosshairs of a powerful member of Congress."