News tagged with northern hemisphere

Researchers find evidence of fire in Antarctic ice

(PhysOrg.com) -- A team of scientists studying Antarctic ice cores have found surprising evidence of a fluctuating pattern of carbon monoxide concentrations in the Earth's atmosphere caused by biomass burning in the Southern ...

Dec 02, 2010
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NASA study finds Earth's lakes are warming

(PhysOrg.com) -- In the first comprehensive global survey of temperature trends in major lakes, NASA researchers determined Earth's largest lakes have warmed during the past 25 years in response to climate ...

Nov 23, 2010
3.8 / 5 (14) 3