Recently on October 13, we celebrated Global Fertilizer Day.  Mineral fertilizer is the world's most life-saving innovation.  How did this innovation evolve?  Yara's Dr. Bill Easterwood, Dr. Trey Cutts, Markus Braaten tell this amazing story - one that began with a dire problem and solved through collaboration between many individuals and companies. The Book, The Alchemy of Air, can be beneficial homework for you post podcast degree :-)