Leonardo DiCaprio may have devoted his celebrity platform to zealously cheerleading on behalf of the environment, but he has fallen prey to criticism about his own carbon footprint - which is rather extensive and includes traveling around the world in private jets and yachts to educate us on how we are wrecking the planet. But DiCaprio is being upstaged by another hypocritical climate crusader - one with even deeper pockets: Hollywood. And when it comes to carbon footprints, it is giving even the oil industry a run for its money. Leonardo is an…