Sentences with phrase «industrial aerosol pollutants»

You can, of course, argue that other factors were at work in the early 20th century warming phase, but if you want to argue that the mid-century cooling was largely due to the neutralizing effect of industrial aerosol pollutants, then you can not, as did Rodgers, claim that any part of that earlier warmup was due to the burning of fossil fuels.

Not exact matches

It then combines with pollutants from combustion — mainly nitrogen oxides and sulfates from vehicles, power plants and industrial processes — to create tiny solid particles, or aerosols, no more than 2.5 micrometers across, about 1/30 the width of a human hair.

It then combines with pollutants from combustion — mainly nitrogen oxides and sulfates from vehicles, power plants and industrial processes — to create tiny solid particles, or aerosols, no more than 2.5 micrometers across, about 1/30 the width of a human hair.

The problem, these researchers argue, is that a 50 - year baseline includes the period from 1950 to 1970 when relatively lower greenhouse gas emissions and stronger mitigating factors (like emissions of sulfate aerosol, an industrial - era pollutant that actually lowers temperatures by reflecting sunlight) caused global temperatures to stall for two decades.