"It’s not in your head. Seattle’s Lake Washington is getting warmer and more comfortable to swim in every year. And it’s not the only lake experiencing a rapid rise in temperature."

"Last weekend, representatives of 195 countries reached a landmark accord in Paris to lower planet-warming greenhouse gas emissions. On Tuesday, local leaders in San Diego committed to making a city-size dent in the problem."

"It's the big donors who are driving the party's do-nothing policies."

"The latest report on the health of the Arctic reveals melting ice, shifting habitats and changes that may one day be mirrored around the world."

"Surging demand for trucks and SUVs fueled by cheap gasoline is holding back improvements in U.S. fuel economy and greenhouse gas emissions, a government report due out on Wednesday is expected to show."

"Southern California Gas Co. says it detected a gas leak on Oct. 23 in its Aliso Canyon storage facility. A month and a half later, it still hasn't been able to stop it."

"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."

"A deal on limiting carbon dioxide emissions from aviation will likely be reached next year, no matter the outcome of this week's climate change talks in Paris, a senior official from the International Air Transport Association (IATA) said on Thursday."

U.S. diplomats spent much effort, time, and political capital engineering a Paris climate agreement that could not be derailed by Congressional Republicans.

"As temperatures climb, so, too, will sea levels."