MADERA, CALIFORNIA - MAY 25: In an aerial view, a tractor kicks up dust as it plows a dry field on May 25, 2021 in Madera, California. As California enters an extreme drought emergency, water is starting to become scarce in California's Central Valley, one of the most productive agricultural regions in the world. Farmers are facing a shortage of water to use on their crops as wells and reservoirs dry up. Some are pulling out water dependent crops, like almonds, or opting to leave acres fallow. (Photo by Justin Sullivan/Getty Images)