California is in the early stages of a severe multi-decadal drought, exacerbated by the climate crisis. As Dan Walters pointed out in his recent commentary, we must move quickly to prepare for water shortages and wildfires.

A potent strategy to improve the state’s water storage capacity involves an ancient technology so ubiquitous that it is often overlooked: soil. The urgency of California’s drought and wildfire risks require that we invest in soil health now.