"I'm curious how is CO2 life threatening."
Here's a good place to start:
http://ipcc-wg1.ucar.edu/wg1/wg1-report.html
and another:
http://www.epa.gov/climatechange/index.html
Current Events » in reply to re: PS...
Here's a good place to start:
http://ipcc-wg1.ucar.edu/wg1/wg1-report.html
and another:
http://www.epa.gov/climatechange/index.html