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In message <[email protected]>
hugh <hugh@[127.0.0.1]> wrote:
> In message <[email protected]>, John Smith <[email protected]>
> writes
> >"Tim Hobbs" <[email protected]> wrote in message
> >news:[email protected]...
> >> On Fri, 24 Mar 2006 09:12:12 -0000, "Neil Brownlee"
> >> <[email protected]> wrote:
> >>
> >>>What with all this stuff in the media about CO2 and my vehicles (for
> >>>example
> >>>pushing out 376g/km), I was wondering, is 376g/km bad - and compared to
> >>>what? We are *told* it is bad....
> >>>
> >>>We are being given statistics which I can't ascertain.
> >>>
> >>>Now - how much CO2 does a cyclist exhale when cycling one km? How about a
> >>>walker? How about an unfit person doing the same.
> >>>
> >>>I wonder.
> >>>
> >>>Anyone know if there's a repository of such info?
> >>
> >> I don't know, but you could do some fag packet maths to establish
> >> scale.
> >>
> >> Your engine inhales 4 litres ish 2000 times per minute roughly.
> >
> >Well, only at 4000 rpm. At a more normal 2000 rpm, you could halve that.
> >And less again for a smaller engine.
> >
> >>A cyclist probably inhales about the same (?) 60 times per minute.
> >
> >He'd have to be a big lad. I had a lung function test a long time ago, and
> >ISRT that my lung capacity was 1500cc. I'm a fairly large build, so most
> >people probably less.
> >>
> >> That alone probably gives you the answer, but you could go further I
> >> suppose....
> >
> >Your point is a good one, though. You could see some berk quoting the
> >figures on the Today programme - "the average cyclist exhales 100grams of
> >CO2 per mile cycled. If we stopped these selfish people poisoning our
> >environment, global warming... etc etc."
> >
> >It would make as much sense as vilifying the motorist for the small amount
> >of pollution caused by cars when industry, and the aviation industry
> >especially, pump out so much more.
> >
> >> Tim Hobbs
> >
> >
> Hmm Better not go out and mow the lawn, I'll produce too much CO2. I'd
> better just sit here quietly, breathing as little as possible and
> watching the foot.... Oh no don't tell me, using the TV requires
> electricity from power stations which burn coal...
>
> So where can I find a comparison between the extra CO2 I would produce
> gardening compared to that produced to enable me to sit and watch TV for
> an hour and a half?
>
> SWMBO will take a lot of convincing.
You're ok mowing the lawn - it stimulates grass growth, which reduces
CO². You should also use lots of paper - young tress use 3 x more CO²
than mature trees, so using paper is a Good Thing.
Which just goes to show how statistics can be used to prove anything....
Richard
--
www.beamends-lrspares.co.uk [email protected]
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hugh <hugh@[127.0.0.1]> wrote:
> In message <[email protected]>, John Smith <[email protected]>
> writes
> >"Tim Hobbs" <[email protected]> wrote in message
> >news:[email protected]...
> >> On Fri, 24 Mar 2006 09:12:12 -0000, "Neil Brownlee"
> >> <[email protected]> wrote:
> >>
> >>>What with all this stuff in the media about CO2 and my vehicles (for
> >>>example
> >>>pushing out 376g/km), I was wondering, is 376g/km bad - and compared to
> >>>what? We are *told* it is bad....
> >>>
> >>>We are being given statistics which I can't ascertain.
> >>>
> >>>Now - how much CO2 does a cyclist exhale when cycling one km? How about a
> >>>walker? How about an unfit person doing the same.
> >>>
> >>>I wonder.
> >>>
> >>>Anyone know if there's a repository of such info?
> >>
> >> I don't know, but you could do some fag packet maths to establish
> >> scale.
> >>
> >> Your engine inhales 4 litres ish 2000 times per minute roughly.
> >
> >Well, only at 4000 rpm. At a more normal 2000 rpm, you could halve that.
> >And less again for a smaller engine.
> >
> >>A cyclist probably inhales about the same (?) 60 times per minute.
> >
> >He'd have to be a big lad. I had a lung function test a long time ago, and
> >ISRT that my lung capacity was 1500cc. I'm a fairly large build, so most
> >people probably less.
> >>
> >> That alone probably gives you the answer, but you could go further I
> >> suppose....
> >
> >Your point is a good one, though. You could see some berk quoting the
> >figures on the Today programme - "the average cyclist exhales 100grams of
> >CO2 per mile cycled. If we stopped these selfish people poisoning our
> >environment, global warming... etc etc."
> >
> >It would make as much sense as vilifying the motorist for the small amount
> >of pollution caused by cars when industry, and the aviation industry
> >especially, pump out so much more.
> >
> >> Tim Hobbs
> >
> >
> Hmm Better not go out and mow the lawn, I'll produce too much CO2. I'd
> better just sit here quietly, breathing as little as possible and
> watching the foot.... Oh no don't tell me, using the TV requires
> electricity from power stations which burn coal...
>
> So where can I find a comparison between the extra CO2 I would produce
> gardening compared to that produced to enable me to sit and watch TV for
> an hour and a half?
>
> SWMBO will take a lot of convincing.
You're ok mowing the lawn - it stimulates grass growth, which reduces
CO². You should also use lots of paper - young tress use 3 x more CO²
than mature trees, so using paper is a Good Thing.
Which just goes to show how statistics can be used to prove anything....
Richard
--
www.beamends-lrspares.co.uk [email protected]
Running a business in a Microsoft free environment - it can be done
Powered by Risc-OS - you won't get a virus from us!!
Boycott the Yorkshire Dales - No Play, No Pay
