Rising CO2 may already be showing up in human blood — a "potentially toxic atmosphere in 50 years"
by Ellsworth Toohey from Boing Boing on (#773SS)
For most of human evolution, the air held about 300 parts per million of carbon dioxide. It has now surpassed 420 and is climbing by more than 2 ppm per year. A new open-access study in Air Quality, Atmosphere & Health argues that shift may already be showing up in our blood. - Read the rest
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