Replies to This Discussion

Permalink Reply by Steph S. on January 5, 2013 at 8:05pm

Thanks Ruth!

Permalink Reply by Ruth Anthony-Gardner on March 5, 2013 at 11:35pm

Here's an updated video, through 2012. Time history of atmospheric CO2 (2012 update)

This blows my mind every time I revisit it.

Permalink Reply by Joan Denoo on March 8, 2013 at 2:42am

These graphs show CO2 levels better than anything I find. Thank you.