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"Prescient and readable,"


"The best available overview of where the solar industry finds itself today, and a road map for how it can reach a brighter future," 

-Financial Times

"Enlightening and candid,"

-Foreign Affairs

Photo Credit: Molly Seamans


Dr. Varun Sivaram is a physicist, Chief Technology Officer of ReNew Power Limited—India’s largest renewable energy firm—and a senior research scholar at the Columbia University Center for Global Energy Policy. His previous roles include professor at Georgetown University, fellow and director of the energy program at the Council on Foreign Relations, consultant at McKinsey & Co., and senior energy advisor to the Los Angeles Mayor and New York Governor’s Office. TIME Magazine named him to its inaugural TIME 100 Next list of the next hundred most influential people in the world; Forbes Magazine called him one of the 30 under 30 in Law and Policy; Grist selected him as one of the top 50 leaders in sustainability; and PV Magazine named him the “Hamilton of the Solar Industry.” His books include Taming the Sun: Innovations to Harness Solar Energy and Power the Planet (MIT Press, 2018) and Digital Decarbonization: Promoting Digital Innovations to Advance Clean Energy Systems (CFR Press, 2018).