Welcome to Delicate template
Just another WordPress site

Green Shift: 400

May 9th, 2013 | Posted by Claire Sommer in Green Shift

This happened today.

Via theguardian.co.uk:

Global Carbon Dioxide in Atmosphere Passes Milestone Level

For the first time in human history, the concentration of climate-warming carbon dioxide in the atmosphere has passed the milestone level of 400 parts per million (ppm). The last time so much greenhouse gas was in the air was several million years ago, when the Arctic was ice-free, savannah spread across the Sahara desert and sea level was up to 40 metres higher than today.




You can follow any responses to this entry through the RSS 2.0 You can leave a response, or trackback.

Leave a Reply

Your email address will not be published. Required fields are marked *