The leading cause of carbon emissions in the world is animal agriculture and no one is talking about it. This is the real issue that is driving climate change. ... As a vegan I save 1,100 gallons of water a day. ... If we are talking about a sustainability message, you cannot leave out the animal message – absolutely impossible. ... We are looking at a world that is facing ultimate destruction if we don't make better, smarter choices, and that starts with you. Every dollar you spend goes to feed a corporation that is either responsible or not responsible. ... There are three things I want to make movies about: environmental problems, animals and human rights. Those are the three things I look out for all the time.