From the Pacific Institute Insights blog:
“As during most droughts, discussions of how to allocate dwindling water supplies have intensified across California. One stirring piece of the debate has pivoted around using water to produce food that is exported outside of California. ‘Why should homeowners stop watering their lawns when farmers are using far larger amounts of precious water to grow alfalfa for China,’ the argument goes. This export of ‘virtual water,’ as it’s often called, essentially means sending water out of the state.
“There are data to support this.”