This year, farmers in Pinal County, Arizona, will lose two-thirds of their irrigation water from the Colorado River because of a historic shortage declaration triggered by the driest period in more than 1,000 years. And within two years, they will be completely cut off from the Colorado River.
Some farmers are responding by fallowing fields. Others are selling their land to solar companies. And then there’s Will Thelander, a farmer who partnered with EDF, Bridgestone Americas and the University of Arizona to test a new crop that uses half as much water as the alfalfa he previously grew.
Crop-switching to a desert shrub called guayule used to produce rubber is one of just many strategies that will be needed in Arizona and other regions to adapt to water scarcity and maintain agricultural economies in a new era of aridification. However, it’s not nearly as simple as just planting different seeds in the ground.
Many regions in California are embarking on a new era of water and land management strategies as local agencies implement sustainability initiatives and climate change intensifies droughts and water scarcity.
This month Gov. Gavin Newsom took another important step in supporting the San Joaquin Valley and sustainable groundwater management by proposing $40 million in additional funds for the new