Melting sea ice threatens emperor penguins

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Turning down the dial: Ocean energy development with less sound

Posted: 20 Jun 2012 06:30 PM PDT

A new laboratory test can help limit the injuries fish receive from loud, underwater booms created during pile driving, the practice of pounding long, hollow steel piles into the ocean floor to erect structures such as tidal energy turbines.

Melting sea ice threatens emperor penguins

Posted: 20 Jun 2012 08:33 AM PDT

At nearly four feet tall, the Emperor penguin is Antarctica’s largest sea bird — and thanks to films like “March of the Penguins” and “Happy Feet,” it’s also one of the continent’s most iconic. If global temperatures continue to rise, however, the Emperor penguins in Terre Adélie, in East Antarctica may eventually disappear, according to a new study.
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