The U.S. government says natural disasters are worsening because of climate change. In blunt language, the National Climate Assessment warns that temperatures in the U.S. could increase by as much as 12 degrees by the end of the century and cites humans as the cause of more than 90 percent of the current warming. CBS News climate and weather contributor Jeff Berardelli joins “CBS This Morning: Saturday” to discuss how to make a difference on an individual level and the economic repercussions of climate change.
