Award-winning director of "Sharkwater," Rob Stewart, talks to Tribute.ca about his second, follow-up documentary "Revolution," which premiered at the 2012 Toronto International Film Festival. The documentary shows Stewart's efforts in uncovering the truth behind the secrets to save the ecosystems we depend on. Stewart explains how "Revolution" took four years to complete and spanned over fifteen countries. His goal is to teach people how they can change the world just by using social media. He expresses how positive his journey was and how he wanted to take people on an adventure.