Study uncovers 'de-urbanization' of America (w/ Video)

More than any other populace on Earth, Americans are on the move. Because of factors such as employment, climate or retirement, 14 percent of the U.S. population bounces from place to place every year.

New land creation on waterfronts is increasing, study finds

Humans are artificially expanding cities' coastlines by extending industrial ports and creating luxury residential waterfronts. Developers have added over 2,350 square kilometers of land (900 square miles, or about 40 Manhattans) ...

Decline in North Sea puffins causes concern

The Isle of May, off Scotland's east coast, is home to one of the UK's biggest colonies of seabirds. Some 200,000 birds, from kittiwakes to guillemots can flock to the rocky outcrop at the height of the breeding season.

Rising sea levels threaten migratory birds

Millions of birds that stop at coastal wetlands during annual migrations could die as rising sea levels and land reclamation wipe out their feeding grounds, researchers warned Monday.

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