In an attempt to stop the westward spread of crop-consuming wild rabbits, Australia put a fence across an almost 2,000 mile stretch of the outback. The fence didn’t stop the rabbits, but it’s caused an interesting phenomenon: the weather is different on each side of the fence. Host Bruce Gellerman speaks with Udaysankar S. Nair of the University of Alabama, who conducted research on how land use affects the weather.