Renewables Race: California's Clean Power Quest The state of California hopes to have 33 percent of its energy come from renewable sources by 2020. In a partnership with KQED, NPR is exploring the technology, challenges and politics associated with the state's ambitious goal.

Renewable energy advocates are looking to geothermal sources like this plant in Calipatria, Calif., to provide electricity to help California meet its goal of generating 33 percent of its power from renewable sources by 2020. But some conventional geothermal sites are, quite literally, running out of steam. David McNew/Getty Images hide caption

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David McNew/Getty Images

Full Steam Ahead For California Geothermal Plans?

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The Campo Kumeyaay Nation, a desert tribe east of San Diego, currently leases land to the only large-scale renewable power facility on tribal land in the country. Amy Standen/KQED hide caption

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Amy Standen/KQED

Tribal Lands Struggle To Bring Clean Power Online

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