Daily Archives: September 26, 2009

Links and Tweets of the Week: September 26, 2009

BLOG Links and Tweets of the Week: September 26, 2009 fun with figures: the top chart shows historical levels of atmospheric CO2  (180 to 300 ppm) back through the last half million years until about 1850, and the current unprecedented … Continue reading

Posted in Preparing for Civilization's End | 1 Comment