CO2 levels just reached 410 ppm - the highest in millions of years

Remember when carbon dioxide concentrations in the atmosphere reached 400 parts per million (ppm)? That's number's old news now - concentrations just reached 410 ppm for the first time in millions of years. Scientists warn the increasing levels of carbon dioxide will only go down when we reduce our carbon emissions.

from Inhabitat - Green Design, Innovation, Architecture, Green BuildingInhabitat – Green Design, Innovation, Architecture, Green Building http://inhabitat.com/co2-levels-just-reached-410-ppm-the-highest-in-millions-of-years
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