Some recent articles:
'Shun meat, says UN climate chief' [BBC News]
'Meat must be rationed to four portions a week, says report on climate change' [Guardian]
'Eating for a healthy planet' [Food Standards Agency]
And the article below.
Article from the excellent Resurgence magazine, Nov-Dec 08 issue no.51, pp. 38-9
26 January 2009: Meat and dairy products could be taken off NHS menus for carbon footprint reasons - see this article. Good news for the environment, human health, and animals!