You can directly support Crash Course at www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content. In this final episode of Crash Course Chemistry, Hank takes us on a tour of the The Global Carbon Cycle and how it all works. From Carbon Fixation to Redox Reactions, it's all contained within! -- Table of Contents The Carbon Cycle 0:51 Carbon Fixation 2:55 Cellular & Macroscopic Respiration in Living Things 4:59 Deposition in Limestone & Fossil Fuels 6:27 Redox Reactions Everywhere 4:27 Excessive Use of Fossil Fuels = Possible End of Humanity 7:45 -- Want to find Crash Course elsewhere on the internet? Facebook - www.facebook.com/YouTubeCrashCourse Twitter - www.twitter.com/TheCrashCourse Tumblr - thecrashcourse.tumblr.com Support CrashCourse on Subbable: subbable.com/crashcourse