"The Obama administration said Thursday that a series of new air pollution rules for power plants would not cause power shortages, although the expert panel designated by the government to ensure electricity reliability warns that compliance with these rules could strain generating capacity.

"BALTIMORE — An environmental group said Wednesday that infrared video shows air pollution streaming from natural gas sites that have been sprouting up across the Chesapeake Bay watershed."

"Google Inc has abandoned an ambitious project to make renewable energy cheaper than coal, the latest target of Chief Executive Larry Page's moves to focus the Internet giant on fewer efforts."

"State and federal wildlife officials have a rare opportunity to stem the decline of American shad on the Susquehanna River, a Chesapeake Bay tributary crucial to annual spawning runs."

"HONG KONG — Chinese solar panel makers plan to shift some of their production to South Korea, Taiwan and the United States in hopes of defusing a trade case pending against them in Washington, according to industry executives. But at the same time, the Chinese industry is considering retaliating by filing a trade case of its own with China’s Commerce Ministry."

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"The Obama administration controls the tie-breaking vote on a plan to begin drilling for natural gas in the Northeast, shining a spotlight on its efforts to find a middle ground on the use of hydraulic fracturing to tap deep shale rock formations for energy.

"Several times a day, long trainloads of coal trundle through Missoula to power plants in Washington. Those routine runs generate lots of electricity for homes and lots of consternation for politicians and scientists concerned about the trade-offs. In the short term, coal's convenience and low price make it a simple answer to the nation's energy needs. But its pollution, damage to water supplies and impact on global climate may produce a long-term cost we're unable to afford."

"VANCOUVER -- A Canadian environmental organization has launched a new automated system to draw public attention to the number and size of the oil tankers that transit Vancouver's Burrard Inlet."