One way would be to equip them with small pilot lights, CO2 is not nearly as
potent greenhouse gas as CH4 (but gets all the blame).
J
>
> They may produce vast amounts of methane but I'd hate to see them go.
> Couldn't they wear ... oh, I don't know ... hermetically sealed nappies
> or something to capture all those emissions so that it could be later
> bottled and put to good use, such as heating homes?
>
> Graeme
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