Dec
28
NASA's James Hansen Says Atmospheric CO2 is Already Beyond Safe Limit
The Washington Post ran a column today on famous NASA climatologist James Hansen’s speech at the American Geophysical Union’s December meeting stating that atmospheric carbon dioxide levels are already too high.
It happened at an academic conclave in San Francisco. A NASA scientist named James Hansen offered a simple, straightforward and mind-blowing bottom line for the planet: 350, as in parts per million carbon dioxide in the atmosphere.
At todays level of 383 ppm, we are far…
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