I suspect not.

http://www.newscientist.com/article/mg20026873.100-how-kangaroo-burgers-could-save-the-planet.html

The gist of the above article is this, worldwide, livestock creates more greenhouse gasses than all forms of transport combined. Eating meat is bad for the planet - can you hear all those veggies crowing now? :-) Never mind, Kangaroos taste good and can help save the planet. Check out the link above for the full story.

Cheers.