Michael Tobis wrote:
> Aerosols are dominated by low-tech burning of fuels for heat, and by
> cheap, primitive factories and motors.
Interestingly, I just saw a presentation yesterday indicating that
burning of agricultural waste (straw) is a significant source of ozone
and black carbon in China (at least, this source appeared to be
responsible for large peaks, although in the annual average it might not
be so important).
James
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