[Question] New Top EA Causes for 2020?

Hi folks, this is our an­nual thread where we spend the day col­lect­ing ideas for Cause X. (Apolo­gies to Aus­tralia for mak­ing this post so late in the day there.) Re­mem­ber—se­ri­ous sug­ges­tions only!!!

April 2 edit: Thanks for par­ti­ci­pat­ing ev­ery­one! Read this if you haven’t yet figured out what’s go­ing on.