Studio Ghibli's Nausicaa is one of my - and my son's - favourite films, and the history of the poisoned world in it is grim, but enchanting. So pretty exciting to find an updated version of the back story from a year ago. Even without any subtitles it's great to watch.
Giant God Warrior Appears in Tokyo by shigure_souma
(On a related note, does anyone know if Laputa is set in the same Universe?)