[PCA] NEWS: Carbon dioxide levels already a danger
Olivia Kwong
plant at plantconservation.org
Tue Nov 25 08:51:03 CST 2008
http://www.cnn.com/2008/TECH/science/11/21/climate.danger.zone/index.html?section=cnn_latest
Carbon dioxide levels already a danger
By Matthew Knight
For CNN
LONDON, England (CNN) -- A team of international scientists led by Dr
James Hansen, director of NASA's Goddard Institute for Space Studies, say
that carbon dioxide (CO2) levels are already in the danger zone.
Concentrations of CO2 in the atmosphere currently stand at 385 parts per
million (ppm) and are rising at a rate of two ppm per year. This is
enough, say the scientists, to encourage dangerous changes to the Earth's
climate.
See the link above for the full article.
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