California Groundwater Depletion Study Examines Almond and Grape Farming
California groundwater depletion is raising concerns about the long-term water supply for almonds, grapes and other specialty crops. A study published in Water Resources Research in November 2026 found that almonds, grapes and walnuts account for nearly half of groundwater depletion associated with specialty crops nationwide. Researchers examined irrigation withdrawals for 65 crops between 2008
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