It's hard to believe that Carl Sagan died 20 years ago. But it's worth remembering his death because it's worth remembering his life, his belief in and dedication to public engagement with science. In this last interview with Charlie Rose he articulates the two arguments that motivated him throughout his life to continuously seek new ways to communicate science to everyone. First, he reminded us that science is power, surely the defining power of our time.
We live in an age based on science and technology with formidable scientific powers.... If we don't understand it ... then who is making all the decisions ... that are going to determine the world our children are going to live in?