The Intergovernmental Panel on Climate Change has released a new report that brings together the global body of knowledge on climate change. It covers everything from temperature rise, to atmospheric change, to changes in the worlds’ oceans and land ice.
The Intergovernmental Panel on Climate Change released a new report on the state of scientific knowledge on climate change. But some say the scientists who wrote the report were overly conservative in their predictions, particularly those for sea level rise. NASA scientist James Hansen tells host Steve Curwood why melting ice sheets could lead to rising sea levels and global catastrophe.