Big US defense blimp stirs privacy jitters

On a crisp winter's day, a tethered blimp almost as big as a football field slowly rises into the blue Maryland sky, casting its radar eye over greater Washington and well beyond.

Advocates: Dams put dinosaur-like river fish at risk

Wildlife advocates claimed in a federal lawsuit filed Monday that the dinosaur-like pallid sturgeon could be wiped out in stretches of rivers in Montana and North Dakota if the federal government doesn't deal with dams that ...

The cost of Chinese air pollution

China's fabled air pollution assaulted Linda Greer, J76, the moment she arrived in Beijing in 2008, on her first trip there for the Natural Resources Defense Council (NRDC). "I literally could not see down the block," she ...

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