Climate Change & Global Warming

Road damage

After an extremely heavy rain in September 2013 destroyed 500 miles of roads, Colorado is redesigning some riverside roadways to be more resilient to future floods.

Thursday, October 1, 2009

  • Climate scientists discuss what they know about global climate change today, and how they know it.

  • Climate scientists explain why they’re sure the primary cause of global climate change today is increasing human emission of greenhouse gases — mainly carbon dioxide.
     

  • Carbon dioxide is everywhere: in the air, rising from cracks in the ocean floor, and in your soda can. Now it's showing up in the news! Find out why carbon dioxide is such a hot topic, and why it's going to be around for a long, long time.