Dust suppresses global warming 1999.12.15

In the forecast experiment of the Meteorological Agency, atmospheric aerosol (airborne dust) generated by burning fossil fuels and the like, the cooling effect to suppress global warming block the sunlight is 70 about 0. 3 degrees C, about 0 in 100 years. It turns out to be four degrees C. Since the aerosol is often distributed near the source, the concentration in the northern and middle latitudes is higher, and the vicinity of the Japan was also observed cooling effect of more than 1 degree C in 100 years.