October, 2013

Where Did 400 Go?

October 7, 2013 glenn Uncategorized

Remember the day, May 10, 2013, when we read that the level of CO2 in the atmosphere had exceeded the milestone 400 parts per million (ppm)? Bill McKibben and Al Gore, as well as numerous other activists and scientists, weighed in. According to McKibben, “We’re in new territory for human beings — it’s been millions […]



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