Using engineering and science to fix our planet and future planets. With our guest Micah Smith we talk about all the projects and limitations of "geo-engineering". As we learn together we also make mistakes sometimes. Find out what Krakatoa was and how it happened in 1886 (not 1815) that changed the world! Recommendations this week:Micah: Antarctica: An intimate portrait of a mysterious continent (book) and of course the amazing Adam Savage's book Every Tool's HammerDerek: Smarter Every Day (Youtube channel)