Environment, Renewable Energy, Videos Bill Nye The Science Guy Breaks It Down: “If You Are Old, You Think Old” November 16, 2009 The Naib 5 Comments Seriously this guy lays it out pretty honestly. He is also the only person I have seen state publicly that the earth will be fine without us, and the real reason we need to “save the planet” is to “save the humans.” Worth the 8 minutes to watch.