Frontiers Oct 16 2024 As the climate crisis alters familiar growing conditions, we urgently need to find ways of protecting the world against famines. Currently, our food system is heavily dependent on pesticides—but these pesticides grow less effective as pests develop resistance to them, have a substantial carbon footprint, and can damage biodiversity. Induced resistance, using plants’ immune systems to build up their strength and fight pests, could be critical to reducing our reliance on