"The country's largest nuclear plant operator, Exelon Corp., has publicly fought to torpedo the wind industry's coveted production tax credits, calling them financial threats to its reactors in the Midwest. But the Chicago-based utility is also cashing in on those credits, known as PTCs."

"Exelon's third-quarter earnings results released last week show the company benefiting from the tax incentives that provide wind developers with $23 for every megawatt-hour of electricity they produce. Details about which of Exelon's 44 wind projects generate the PTCs are private."

"The National Oceanic and Atmospheric Administration has clarified that no island composed of debris from the Fukushima tsunami is heading towards the U.S. coast of California."

"PITTSBURGH -- The U.S. Coast Guard is seeking public comments on a proposal that would allow barges to transport shale gas wastewater, a drilling byproduct that can include chemicals, radioactive material and heavy metals."

"During the build-up to the Cold War, the U.S. government called upon hundreds of factories and research centers to help develop nuclear weapons and other forms of atomic energy. At many sites, this work left behind residual radioactive contamination requiring government cleanups, some of which are still going on."

"It started with a few bogus safety certificates for cables shutting a handful of South Korean nuclear reactors. Now, the scandal has snowballed, with 100 people indicted and Seoul under pressure to rethink its reliance on nuclear power."

"TOKYO -- The operator of Japan's wrecked Fukushima nuclear plant said on Saturday there was no damage or spike in radiation levels at the station after a large earthquake struck in the ocean east of Japan, triggering a small tsunami."

"PLYMOUTH — From broken water pumps, leaky valves and steaming pipes to elusive electrical problems, it's been a tough year for Pilgrim Nuclear Power Station."