News tagged with greenhouse warming

Top NASA climate change expert retiring

Pioneering NASA climatologist James Hansen, one of the first scientists to raise the alarm about global warming, is retiring after 46 years, a colleague confirmed to AFP on Tuesday.

dateApr 02, 2013 in Environment
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Caves point to thawing of Siberia

Evidence from Siberian caves suggests that a global temperature rise of 1.5 degrees Celsius could see permanently frozen ground thaw over a large area of Siberia, threatening release of carbon from soils, ...

dateFeb 21, 2013 in Earth Sciences
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Global warming less extreme than feared?

Policymakers are attempting to contain global warming at less than 2°C. New estimates from a Norwegian project on climate calculations indicate this target may be more attainable than many experts have feared.

dateJan 25, 2013 in Environment
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