We need to rethink everything we know about
global warming
With this new method, Rosenfeld and his colleagues were able to more
accurately calculate aerosols' cooling effects on the Earth's energy
budget. And, they discovered that aerosols' cooling effect is nearly
twice higher than previously thought.
By my calculations a 40% decrease in sulfur pollution will warm Earth another 1 degree Celsius global average.
It follows that the global warming acceleration is due to the one huge
climate forcing that we have chosen not to measure: the forcing caused
by imposed changes of atmospheric aerosols.
James Hansen
However, new research published in Science by Hebrew University
of Jerusalem Professor Daniel Rosenfeld shows that the degree to which
aerosols cool the earth has been grossly underestimated, necessitating a
recalculation of climate change models to more accurately predict the
pace of global warming.
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