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Atmospheric Carbon Dioxide

400 PPM Descending.

Shan Wells | Posted 07.15.2013 | Denver
Shan Wells


Planet Passes Major CO2 Milestone

The Huffington Post | James Gerken | Posted 05.10.2013 | Green

Atmospheric concentrations of carbon dioxide surpassed a notable milestone this week. They reached a daily average above 400 parts per million, re...

Atmospheric CO2 To Pass Major Milestone

The Huffington Post | James Gerken | Posted 04.29.2013 | Green

Scientists monitoring global atmospheric carbon dioxide concentrations report that, for the first time in human history, CO2 levels could soon rise ab...

Methane Seeps Into the UN

Giles Slade | Posted 05.25.2011 | Green
Giles Slade

Pure methane gas is now bubbling up from underwater vents across our polar regions and escaping into the atmosphere where it adds to global-warming.