Sentences with phrase «existing aerosol emission»

Not exact matches

This is a peer reviewed paper by respected scientists who are saying that aerosol forcing means that the majority of the warming caused by existing co2 emission has effectively been masked thus far, and that as aerosols remain in the atmosphere for far shorter a duration of time than co2, we will have already most likely crossed the 2 degree threshold that the G8 politicians have been discussing this week once the cooling effect of aerosols dissipate.

(Sec. 333) Requires the EPA Administrator to promulgate regulations to reduce emissions of black carbon (light absorbing aerosols) or propose a finding that existing CAA regulations adequately regulate such emissions.

This is problematic for the previous estimate because anthropogenic aerosol emissions existed prior to 1750.