Not exact matches
«It is widely understood that
aerosols have a net
cooling effect on climate,
counteracting the warming caused by greenhouse gases.
which would have
counteracted the
aerosol cooling effect.
They explain the pause as warming due to CO2,
counteracted by
cooling due to
aerosols (see e.g. Table, p. 54 of the Technical Summary to AR5) and mysterious unknown forces («natural variability»).
The second issue raised in our Science paper (now available free, see bottom of this post) is that perhaps there shouldn't yet have been substantial long - term trends in hurricane intensity — whether we would be able detect them above the natural variability or not — because until the last couple of decades,
aerosol cooling effects on hurricanes have been
counteracting the effects of greenhouse gas warming.
Past research has suggested that the
cooling influence of these sulfate
aerosols helped
counteract warming from greenhouse gases, said Fyfe.
Perhaps one of the factors in the
cooling that occurred from the 1930s to the 1970s was this
aerosol pollution,
counteracting the expected warming from CO2 emissions, and the warming since the 1970s is a direct result of air pollution regulations that have decreased emissions of all kinds of particulates.