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No More Overseas Travel? - Running out of oil? 26-Oct-2007 At 6:47:26 PM Zebedee

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On 26/10/2007 BigMike wrote:
>
>If you're worried about global warming and greenhouse gases ...
>
>Global livestock production releases more greenhouse gases than all the
>trains, planes and automobiles in the world.
>
>Offset your trip to the crags by not eating meat.
I am not sure livestock are such a large greenhouse gas factor. The fuel for your cow or sheep is a short lived grass that has just trapped co2 in growing. This may be converted into methane (a more 'effective' greenhouse gas) but needs to be offset against the original loss of co2 as the fuel for the cattle/sheep was produced. Whereas your fossil fuel trapped its co2 quite a while ago and releasing this into the atmosphere now makes a permanent change to the balance. Having said that there is no doubt that killing a few animals (humans) could certainly reduce greenhouse gas emissions.