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Atmospheric Co2 Concentrations

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...

Global CO2 Levels Hit New Record

Reuters | Posted 01.20.2013 | Green

GENEVA, Nov 20 (Reuters) - Atmospheric volumes of greenhouse gases blamed for climate change hit a new record in 2011, the World Meteorological Orga...