Elizabeth Ebinger in Maplewood, N.J., bought her solar panels, while neighbor Tim Roebuck signed a 20-year lease. Both are happy with the approach they took, and both are saving money on energy bills. Jeff Brady/NPR hide caption

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A worker installs solar panels atop a government building in Lakewood, Colo. The industry has added more than 80,000 jobs since 2010, according to The Solar Foundation. John Moore/Getty Images hide caption

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An excavator loads a truck with oil sands at the Suncor mine near the town of Fort McMurray in Alberta, Canada in 2009. Environmental groups that oppose oil sands mining have pointed to delayed and canceled projects as a sign of recent success. Mark Ralston/AFP/Getty Images hide caption

itoggle caption Mark Ralston/AFP/Getty Images

Srirupa Dasgupta opened Upohar, a restaurant and catering service, with a social mission. Her employees — primarily refugees — earn double the minimum wage. Jeff Brady/NPR hide caption

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Pipes for TransCanada's planned Keystone XL pipeline are stored in Gascoyne, N.D. The U.S. House has voted to approve the proposed project, which would allow crude oil to flow from Canada to the Gulf of Mexico. The Senate plans to vote Tuesday on legislation that would greenlight the project. Andrew Cullen/Reuters/Landov hide caption

itoggle caption Andrew Cullen/Reuters/Landov