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How Life Might Have Survived 'Snowball Earth'
October 11, 2011 — New research indicates that simple life in the form of photosynthetic algae could have survived a "snowball Earth" event, living in a narrow body of water with characteristics similar to today's Red ... > full story -
Baltic Sea Contributes Carbon Dioxide to the Atmosphere, Study Shows
October 10, 2011 — The Baltic Sea emits more carbon dioxide than it can bind. Local variations have increased the exposure of the Bay of Bothnia. These are the results from a study of how carbon dioxide flows between ... > full story -
Ancient Climate Change Has Left a Strong Imprint on Modern Ecosystems
October 7, 2011 — As Earth’s climate cycles between warm and cool periods, species often must move to stay within suitable conditions. Scientists have now mapped how fast species have had to migrate in the past ... > full story -
Multibeam Sonar Can Map Undersea Gas Seeps
October 6, 2011 — A technology commonly used to map the bottom of the deep ocean can also detect gas seeps in the water column with remarkably high fidelity, according to scientists. This finding, made onboard the ... > full story -
Young and Thin Instead of Old and Bulky: Researchers Report on Changes in Arctic Sea Ice After Return of Research Vessel Polarstern
October 6, 2011 — In the central Arctic the proportion of old, thick sea ice has declined significantly. Instead, the ice cover now largely consists of thin, one-year-old floes. This is one of the results that ... > full story -
Increasingly Precise Data on Radiation Reflected from the Arctic Sea Area
October 6, 2011 — Scientists have developed a new, globally unique method for estimating surface albedo in the Arctic sea area solely on the basis of microwave data. Its advantage over conventional optical methods is ... > full story -
Why Climate Models Underestimated Arctic Sea Ice Retreat: No Arctic Sea Ice in Summer by End of Century?
October 6, 2011 — In recent decades, Arctic sea ice has suffered a dramatic decline that exceeds climate model predictions. The unexpected rate of ice shrinkage has now been explained. Researchers argue that climate ... > full story -
Long-Lost Lake Agassiz Offers Clues to Climate Change
October 5, 2011 — What caused water levels to drop in immense yet long-vanished Lake Agassiz? New research suggests that conditions 12,000 years ago encouraged evaporation. Not long ago, geologically speaking, a ... > full story -
Arctic Sea Ice Continues Decline, Hits Second-Lowest Level
October 4, 2011 — Last month the extent of sea ice covering the Arctic Ocean declined to the second-lowest extent on record. Satellite data from NASA and the the National Snow and Ice Data Center showed that the ... > full story -
Polar Oceans in Transition
October 4, 2011 — Polar bears will be affected by climate change in the Arctic and Antarctic, but so will India's iconic tigers and elephants. Researchers are working to understand what is happening in polar oceans -- ... > full story -
Closer to Solving the Cod Mystery
October 4, 2011 — Fish quantities off the Norwegian coast fluctuate widely from year to year. For 150 years, scientists have tried to figure out why -- and now they are nearing an ... > full story -
Ice Age Carbon Mystery: Rising Carbon Dioxide Levels Not Tied to Pacific Ocean, as Had Been Suspected
October 3, 2011 — After the last Ice Age peaked about 18,000 years ago, levels of atmospheric carbon dioxide rose about 30 percent. Scientists believe that the additional CO2 -- the source of which was ... > full storyMore:
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