The world has seldom been in a tighter spot. Across the globe, extreme weather events are becoming more frequent, with greater economic damage, even in the wealthiest countries. Food insecurity is on the rise, and climate change is making it worse. In 2022, about 2.4 billion people—nearly a third of humanity—lacked year-round access to enough safe and nutritious food, with women and girls bearing the brunt: They account for nearly 60 percent of people facing severe hunger.