This is going to throw a monkey wrench in climate-alarmist arguments. Increasing CO2 is supposed to increase the amount of infrared radiation, in turn increasing warming. So… what happened, Mr. Gore?
Paper finds a decrease of IR radiation from greenhouse gases over past 14 years, contradicts expected increase – cloudiness blamed for difference.
A paper published in the Journal of Climate finds from 800,000 observations a significant decrease in longwave infrared radiation from increasing greenhouse gases over the 14 year period 1996-2010 in the US Great Plains. CO2 levels increased ~7% over this period and according to AGW theory, downwelling IR should have instead increased over this period.
According to the authors,
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