Mike
I'm not sure what exactly is the biggest contributor of CH4, there are so many large sources.
Whereas the termite is one, I doubt whether it is even one of the largest. I suspect that it may
be the myriad leaks along HP natural gas pipelines, but in terms of nature, I'll plump for the
anaerobic decomposition of vegetable matter, esp. in wetlands, stagnant water, rainforest floors,
etc. In fact this includes the termite: as he chews the wood, he digests a very small percentage
of it and the rest passes out where it decomposes to produce the stuff. Similarly, much kelp and
other sea vegetation decomposes on the sea bed. Interestingly, studies have shown that, when the
Amazonian rainforest is slashed and burnt and then converted to cattle farming, the methane
production per hectare actually increases. This is because only a small percentage of the cycle of
vegetation decomposes anaerobically - most of it is destroyed aerobically by microfungi,
producing essentially CO2 and H2O.
As for the contribution to global warming by canned baked beans ...
Brian
Michael Fenner wrote:
> Well, thank you for that thought...
>
> I understand though that the biggest contributor of methane to the world is the humble termite
> on account of the fact that there are so many of them.
>
> Mike
>
> ----- Original Message -----
> From: Ingemar Hernefjord (EMW) <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, March 14, 2000 9:37 AM
> Subject: Re: [TN] VOC legislation
>
> > So yes, Mike, we must never forget that a large proportion of VOCs can
> > be from natural causes.....animal farts...
> >
> > ....ammonia from pig farms and other animal breeding not to forget.. imagine what tens of
> millions of those animals generate each hour...latest reports say ammonia is a real O3
> killer....//Ingemar
> >
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