Atmospheric CO2 measurements from the Mauna Loa Observatory gives us the most current, comprehensive and objective indicator of global warming and climate change. CO2Now.org makes this information visible for people on the web.
What level of atmospheric CO2 is safe? According to leading scientists, the upper ceiling for CO2 in our atmosphere is 350 parts per million. We are currently at 388.79 PPM for March 2009.
Rising CO2 levels in the atmosphere is responsible for more global warming than the rise of all the other greenhouse gases combined. The global warming crisis cannot be cracked or solved without a focus on CO2.
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