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A shell placed in seawater with increased acidity slowly dissolves over 45 days.
overview

Ocean Acidification

Ocean acidification is sometimes called “climate change’s equally evil twin,”...
April 2018
Only 2,000 individuals of the endangered short-tailed albatross remain after the species was hunted for its feathers in the 1940s.
Photo

Short-tailed Albatross

In the 1940s the short-tailed albatross population plummeted from tens of millions...
Once common in the West Indies, the Black Capped Petrel (Pterodroma hasitata), which breeds in high Caribbean mountains, is now on the endangered species list.
Photo

Black-Capped Petrel

Once common in the West Indies, the Black Capped Petrel (Pterodroma hasitata),...
A Socotra cormorant dries its wings on the shore at the Socotra Archipelago in Yemen.
Photo

Socotra Archipelago, Yemen

The Socotra Archipelago site in Yemen was inscribed on the World Heritage List in...
A shell placed in seawater with increased acidity slowly dissolves over 45 days.
Photo

Shell Dissolves in Seawater

Over a 10-year period, NOAA scientists have collected 72,000 seawater samples, and...
Two men each hold a ceramic vessel at the archaeological excavation

Archaeologists Study Early Whaling Community in Quebec, Canada

For over a decade, Smithsonian's Arctic Studies Center archaeologist, William...
September 2011
Polar bears are threatened by a lack of sea ice.

Climate Change at the Poles

At the ends of the Earth, life thrives despite extreme conditions. In the Arctic...
September 2011

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