Union of Concerned Scientists' Doug Boucher writing on beef (links)
http://blog.ucsusa.org/beef-tropical-forests-our-climate-and-our-health http://blog.ucsusa.org/more-chicken-or-pork-less-beef-a-holiday-gift-for... and my colleague Elliott Negin has also done a few postings on the subject on his Huffington Post blog: http://www.huffingtonpost.com/elliott-negin/be-patriotic-go-beefless-_b_... http://www.huffingtonpost.com/elliott-negin/protect-yourself-protect-_b_... http://www.huffingtonpost.com/elliott-negin/a-new-years-resolution-th_b_...