Is 'Smooth Sailing' Over for Obama? | 44 | washingtonpost.com

President Obama's No. 1 priority for his first term, health care reform, has gotten off to a halting start in the Senate. His next major goal, climate change legislation, is even further from completion.

One Hundred Months: Now only 90 months left until carbon dioxide starts killing us all

[And don't even get me started on argon] Earth's atmosphere - Wikipedia, the free encyclopedia

Dry air contains roughly (by volume) 78.08% nitrogen, 20.95% oxygen, 0.93% argon, 0.038% carbon dioxide, and trace amounts of other gases.