Carl Sagan on Climate Change: “If you don’t worry about it now, it’s too late later on” (1985) https://www.youtube.com/watch?v=3rA8c4sqQJw
How the Elite Control the World: The Rich Getting Richer, the Upper Class & Money in America (1996) https://www.youtube.com/watch?v=JN_-ukMU5Hk