Twitter updates

Friday, March 20, 2009

Concentration of CO2 in the atmosphere

"Drilling into the rocks off the coast of Antarctica is revealing a more accurate picture of our future climate. That's because about 4 million years ago, carbon dioxide levels in the atmosphere were roughly 400 parts-per-million--a level we're likely to reach again in the next few years. Already, CO2 concentrations in the atmosphere are 386 ppm, up from 280 ppm just two centuries ago." in Scientific American

This article is related with others, posted in this blog:

No comments:

José Gonçalves' shared items