Global Warming 101
Global Warming 101 from the Oprah Winfrey Show (aired June 28th, 2006). Actor Leonardo DiCaprio shares what he believes is the most pressing environmental issue of our time: global warming. And Leo’s definitely not alone?many scientists have been warning the public for years that the Earth is getting hotter. Some say that if drastic measures aren’t taken to stop it, global warming may cause catastrophic results for the billions of people living on our planet.