http://sg.news.yahoo.com/afp/20071206/tts-australia-climate-warming-kangaroo-o-79adaf4.html

Come on.
There is a limit to what we should do. How can we enforce Biologically changing animals just to correct for our mistakes. Do u really think that it is going to help Earth, with the amount of abuse we humans put it through.

The problem is not the animal. The problem is within ourselves. WE ARE THE PROBLEM