Why veganism is the greenest diet Published on September 2, 2017March 19, 2019 by jonesjb I have invited Parliamentarians to a free screening of “Cowspiracy: The Sustainability Secret”, a 91 minute film about why veganism is the greenest diet. The executive producer of the 2nd cut of the film is Leonardo DiCaprio, as you can read here: http://www.cowspiracy.com/faq The free screening is on Thursday September 14, from 7 to 8.30 in room G. You can find out more about the film here: http://www.cowspiracy.com/ Share this:TwitterFacebookLike this:Like Loading...