Expensive weather events triggered by climate change underscore the risk of expanding tar sands oil extraction

ore Americans than ever believe that climate change is responsible for the strange weather they see around them. A recent poll shows that over 60% of the American public believes that climate change is real and that they are basing this belief on their observation that winters and summers are warmer and that there seem to be more extreme weather events, like droughts and tornadoes. The spate of tornadoes across the Midwest and southern U.S. in early March reminds us of the terrible human and economic toll these disasters can have.