Sunny southern Florida seems like a perfect place to grow fruits and vegetables, even in the winter. But the 20th-century transformation of what had been wetlands into croplands might have had unintended consequences. The shift has made the area more susceptible to crop-damaging freezes, researchers suspect.
In the early 1900s, much of Florida's citrus industry moved south to areas of the state that seemed the least prone to ruinous freezes. To make room for orchards and farms, people drained wetlands and diverted rivers, actions that affected the local climate, say Ro