The Department of the Interior recently signed off on three, clean power, renewable energy projects on public lands. Two projects are for solar generation, while the third project is for geothermal power. In this video, Fool.com contributor Aimee Duffy looks at these projects and discusses what this means for investors in the long term.

Fool contributor Aimee Duffy has no position in any stocks mentioned. Fool contributor Tyler Crowe has no position in any stocks mentioned. For more energy information, follow them on Twitter, @TMFDuffy and @TylerCroweFool.

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