| Re: OT Interesting video
In article <ovs4r25tmutd3euda2p50n6ub81uadphnu@4ax.com>,
Chris Neary <diabloridr@tcsn.net> wrote:
> >> Actually the sources can be pinpointed pretty well. Certainly
> >> there are lots of sources, but the lion's share of air pollution
> >> is from motor vehicles.
> >
> >Given that air and air pollution are globally distributed and do not
> >keep pollutants segregated, it is impossible to pinpoint sources in
> >a practical way. "Hmm, that smells like pollution from a 1978 Chevy
> >Caprice" is not really a doable proposition.
>
> In th e U.S. at least, it's very practical to estimate what portion
> of the overall pollution is from that 1978 Chevy Caprice.
Really? Please demonstrate.
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