Pulling CO2 from air vital, but lower-cost technology a stumbling block so far, experts say

ScienceDaily: Earth Science News


Tropical plankton invade arctic waters: Researchers see natural cycle, but questions arise on climate change

Posted: 24 Jul 2012 02:13 PM PDT

For the first time, scientists have identified tropical and subtropical species of marine protozoa living in the Arctic Ocean. Apparently, they traveled thousands of miles on Atlantic currents and ended up above Norway with an unusual — but naturally cyclic — pulse of warm water, not as a direct result of overall warming climate, say the researchers. On the other hand: Arctic waters are warming rapidly, and such pulses are predicted to grow as global climate change causes shifts in long-distance currents.

Pulling CO2 from air vital, but lower-cost technology a stumbling block so far, experts say

Posted: 24 Jul 2012 11:45 AM PDT

Emerging techniques to pull carbon dioxide from the air and store it away to stabilize the climate may become increasingly important as the planet tips into a state of potentially dangerous warming, researchers from Columbia University’s Earth Institute argue in a paper out this week.

Surprising link between ice and atmosphere: GPS can now measure ice melt, change in Greenland over months rather than years

Posted: 24 Jul 2012 08:50 AM PDT

Researchers have found a way to use GPS to measure short-term changes in the rate of ice loss on Greenland — and reveal a surprising link between the ice and the atmosphere above it.

Marine microorganisms hold the key to life on Earth

Posted: 24 Jul 2012 07:43 AM PDT

Few people realize that all life on earth evolved from microorganisms in the sea. Microorganisms, or microbes, are those organisms too small to be observed by the human eye and they are everywhere, often in huge numbers. Just one litre of coastal seawater contains up to a billion microbes including thousands of different types.
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