On May 3, 4:20*pm, D Murphy wrote:
A very recent study published by NASA shows that
soot (black carbon) may be responsible for a big chunk of the warming
that was prviously attributed to CO2 emmissions. Soot emmissions are a
whole lot easier to eliminate than CO2. So it's good news. Unless you own
an old diesel or heat with oil.
Dan

That's interesting. Carl Sagan's revised version of Nuclear Winter
attributed most of the predicted temperature DROP to soot from burning
cities.