This is green as in environmentally friendly, rather than any pretense to color. Microbes in a Kangaroos' digestive tract produce less of a potent greenhouse gas than do those of other grass munching animals, like cows.
This is almost a crappy thing to write about but in the interests of your health, if not your air quality, do read on. A study compiled by a team of researchers in Denmark found humans do fart more on airplanes and concludes we shouldn't hold back.
Finally a non-laxative cure for constipation, or at least a new "treatment." The drug, named Tegaserod, also helps alleviate flatulence and bloating. The smell of a new day on the horizon has the world breathing easier.