The global warming science facts can often be so brutal for the climate-doomsday-from-CO2 alarmists >>> the National Center for Atmospheric Research (NCAR) has determined that Asian pollution will warm the globe so much that it offsets any U.S. CO2 emission reductions
Read here. China and other Asian countries produce a lot of black carbon (soot) and other pollutants that are belched into the atmosphere in prodigious quantities. The scientists at NCAR utilized their global climate models to analyze the impact of all that filth on global temps.
The impact of these pollutants will be quite high: a +0.4°C increase of summer temps over the entire U.S. This warming happens regardless of any U.S. reductions in CO2 emissions. And to drive home this point, climate models indicate that if the U.S. were to reduce its emissions by 80% the impact on U.S. temps would be a measly 0.075°C reduction - the Asian pollutant warming overwhelms the reduction due to less CO2.
"Comparing the amount of warming in the U.S. saved by reducing our greenhouse gas emissions by some 80% to the amount of warming added in the U.S. by increases in Asian black carbon (soot) aerosol emissions (at least according to Teng et al.) and there is no clear winner. Which points out the anemic effect that U.S. greenhouse gas reductions will have on the climate of the U.S. and just how easily the whims of foreign nations, not to mention Mother Nature, can completely offset any climate changes induced by our greenhouse gas emissions reductions."