Activist McKibben Discusses Climate Change, Keystone XL Pipeline in Louisville

Writer and environmental activist Bill McKibben says it's not too late to reverse the effects of climate change. McKibben made the comments in a speech to the Louisville Rotary Club today as part of the Festival of Faiths.McKibbenhas been in the news most recently for leading a movement opposing the Keystone XL pipeline, which would bring oil from Canada’s tar sands to the Gulf of Mexico. He says building that pipeline would release the second-largest pool of carbon dioxide on earth, and have destructive consequences for the planet.