How Carl Sagan Predicted Nuclear Winter

Carl Sagan predicted some amazing things including the aftermath of nuclear war. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn t make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Philippe von Bergen, Chris Peters, Lilly Grainger, Happy Birthday!!, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/SciShow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.nature.com/nature/journal/v277/n5692/pdf/277102a0.pdf http://www.planetary.org/blogs/guest-blogs/2015/0722-what-in-the-worlds-are-tholins.html http://www.sciencedirect.com/science/article/pii/0019103586900801 http://people.oregonstate.edu/~schmita2/Teaching/ATS421-521/2015/papers/turco83sci.pdf http://science.howstuffworks.com/nuclear-winter.htm