(Weforum.org) Savor your avocado toast while you can, because Instagram's most beloved food pairing is about to go the way of the dodo— and it's not alone. Global warming poses a huge threat to our planet and our crops, as it's changing the specific conditions our agriculture needs to thrive. Extreme weather events have already ravaged different regions of the world — from the wildfires in North America to the coral bleaching in the Great Barrier Reef.