Why is this big news? It means increases in carbon dioxide emissions likely cause less warming than most climate models suggest.
A study by scientists at Germany’s Max Planck Institute for Meteorology found that man-made aerosols had a much smaller cooling effect on the atmosphere during the 20th Century than was previously thought. Why is this big news? It means increases in carbon dioxide emissions likely cause less warming than most climate models suggest.
What do aerosols have to do with anything? Well, aerosols are created from human activities like burning coal, driving cars or from fires. There are also natural aerosols like clouds and fog. Aerosols tend to reflect solar energy back into space, giving them a cooling effect that somewhat offsets warming from increased CO2 emissions.
The Max Planck study suggests “that aerosol radiative forcing is less negative and more certain than is commonly believed.” In layman’s terms, aerosols are offsetting less global warming than was previously thought. And if aerosols aren’t causing as much cooling, it must mean carbon dioxide must be causing less warming than climate models predict.
“Going forward we should expect less warming from future greenhouse gas emissions than climate models are projecting,” write climate scientists Pat Michaels and Chip Knappenberger with the libertarian Cato Institute, adding that this study could be a “death blow” to global warming hysteria.
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New Study Is A ‘Death Blow’ To Global Warming Hysteria | The Daily Caller
h/t sda
Michaels and Knappenberger say Lewis's findings basically eliminate "the possibility of catastrophic climate change--that is, climate change that proceeds at a rate that exceeds our ability to keep up."
A new study out of Germany casts further doubt on the so-called global warming “consensus” by suggesting the atmosphere may be less sensitive to increases in carbon dioxide emissions than most scientists think.A study by scientists at Germany’s Max Planck Institute for Meteorology found that man-made aerosols had a much smaller cooling effect on the atmosphere during the 20th Century than was previously thought. Why is this big news? It means increases in carbon dioxide emissions likely cause less warming than most climate models suggest.
What do aerosols have to do with anything? Well, aerosols are created from human activities like burning coal, driving cars or from fires. There are also natural aerosols like clouds and fog. Aerosols tend to reflect solar energy back into space, giving them a cooling effect that somewhat offsets warming from increased CO2 emissions.
The Max Planck study suggests “that aerosol radiative forcing is less negative and more certain than is commonly believed.” In layman’s terms, aerosols are offsetting less global warming than was previously thought. And if aerosols aren’t causing as much cooling, it must mean carbon dioxide must be causing less warming than climate models predict.
“Going forward we should expect less warming from future greenhouse gas emissions than climate models are projecting,” write climate scientists Pat Michaels and Chip Knappenberger with the libertarian Cato Institute, adding that this study could be a “death blow” to global warming hysteria.
more
New Study Is A ‘Death Blow’ To Global Warming Hysteria | The Daily Caller
h/t sda
