"Most glaciers in every mountain range and island group in Alaska are experiencing significant retreat, thinning or stagnation, especially glaciers at lower elevations, according to a new book published by the U.S. Geological Survey. In places, these changes began as early as the middle of the 18th century."
- Ler em Most Alaskan Glaciers Retreating, Thinning, And Stagnating, Terra Daily.
PS: E já agora esta notícia sobre a Gronelândia: : "U.S. atmospheric scientists say satellite data indicates northern Greenland experienced a record number of melting days this summer."
- Ler em North Greenland had record summer snowmelt, também na Terra Daily.
PS (2): E ainda mais esta:
This image was created with data acquired by the Atmospheric Infrared Sounder, AIRS, during July 2008. The image shows large scale patterns of carbon dioxide concentrations that are transported around the Earth by the general circulation of the atmosphere.
Image credit: NASA/JPL.
"A NASA/university team has published the first global satellite maps of the key greenhouse gas carbon dioxide in Earth's mid-troposphere, an area about 8 kilometers, or 5 miles, above Earth."
- Ler em Maps Shed Light On CO2's Global Nature, Terra Daily.
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