A $12.3 million experiment in Northern California could reduce greenhouse gases, restore vanishing delta islands and save billions of dollars in levee repairs. Funded by the California Department of Water Resources, the test will determine whether native marsh plants and soils in the Sacramento-San Joaquin Delta can capture and store carbon emissions. If successful, the experiment could lead to widespread farming of native tules, helping to rebuild the badly eroded delta islands that are straining the region's flood-control levees.

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