Japan has successfully extracted natural gas from methane hydrates ("fire ice") 1,000 feet below the seabed.

"Within weeks of setting off a geiger counter and scrubbing three layers of skin off his hands and arms, former Navy quartermaster Maurice Enis recalled being pressured to sign away U.S. government liability for any future health problems."

"Key weather and climate satellites would get a boost under a new Senate spending proposal."

"Rep. Paul Ryan (R-Wis.) on Tuesday released his budget proposal calling for approval of the Keystone XL pipeline and slashing the discretionary spending that helps protect Americans from climate-related threats."

"President Obama hosted a casual off-the-record meeting with a diverse group of energy and climate change experts at the White House on Thursday evening, officials and participants said Friday."

"LOS ANGELES -- The company that runs the troubled San Onofre nuclear power plant sparred with environmental activists Friday over the details of a once-confidential report that shows industry engineers were aware of problems with steam quality inside equipment that later malfunctioned."

"CAMBRIDGE — America’s top military officer in charge of monitoring hostile actions by North Korea, escalating tensions between China and Japan, and a spike in computer attacks traced to China provides an unexpected answer when asked what is the biggest long-term security threat in the Pacific region: climate change."

"WASHINGTON -- The amount of heat-trapping carbon dioxide in the air jumped dramatically in 2012, making it very unlikely that global warming can be limited to another 2 degrees as many global leaders have hoped, new federal figures show."