UN figures suggest that meat production puts more greenhouse gases into the atmosphere than transport.
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The question is - how much less? Seems to me that meat production isn't going to decrease unless tens of millions of people give up or at least severely curtail their carniverous activities.
And yes - they do serve meat at the UN Delegates Lounge on a daily basis. If you're looking for leadership on this issue, you won't find it there.
Let's get those swim fins and scuba tanks out. At least we'll have plenty of fish to live on.