A tragic, yet fortuitous car accident changed the course of history for U.S. Speaker program ExchangeAlumni Philippe Cousteau, Jr., his family, and our planet. It led Philippe’s grandfather, Jacques Cousteau, to become a pioneer whose legacy still inspires Philippe - a TV host, producer, author, and social entrepreneur - every day. As world leaders gather for this year’s global climate summit, Philippe talks about why there is cause for hope and optimism amidst the climate change crisis, what it was like growing up with a real-life Indiana Jones, fatherhood, and falling in love.