"BEIJING — The dead pigs keep bobbing up in Shanghai’s rivers.

"The U.S. is in the midst of an energy transformation. Technologies that free fossil-fuel reserves, once trapped in shale, have radically shrunk natural gas imports. By 2020, the nation is expected to produce more gas than it needs. As the country approaches this milestone, it faces a question long asked in other countries with abundant energy resources: How much should we use at home and how much should we sell abroad?"

"TSAWWASSEN, B.C. — With five coal export terminals under consideration in Washington and Oregon, Northwest residents are grappling for the first time with issues that are old hat in coal states like West Virginia and Kentucky. One of those issues: coal dust."

"Five species of sharks and two types of manta rays won new safeguards Monday, as delegates to a global wildlife summit voted to limit the trade of species that have been overharvested for decades."

"Texas was ordered to temporarily stop issuing new water permits for a river system that supplies dozens of Central Texas cities, power generators and petrochemical plants to ensure enough water reaches the last migratory flock of endangered whooping cranes."

"SAN DIEGO — The California Coastal Commission on Friday rejected a Navy explosives and sonar training program off the Southern California coast that critics said could harm endangered blue whales and other sea life."

"They have thwarted the poisons. They have evaded the traps."

"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."

"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."

"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."

"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."

"Thousands of anti-nuclear protesters have gathered across Japan. The rallies come on the eve of the two-year anniversary of an earthquake and tsunami that caused the Fukushima disaster."

"Many of Pennsylvania's policymakers, regulators and enforcement workers have come from the oil and gas industry they oversee, or they leave state jobs for industry jobs, according to a recent report that questions the impacts of such a "revolving door" on public policy decisions."

"When China's environment ministry told attorney Dong Zhengwei he couldn't have access to two-year old data about soil pollution because it was a 'state secret', it added to mounting public outrage over the worsening environment."

"'Even on a good day, I get discouraged thinking about the election of a new pope,' laments Maureen Fiedler, a nun and blogger at the progressive Catholic newspaper National Catholic Reporter. 'They all look like a Vatican version of the tea party movement.'"