Clean Energy: The Next Investment Frontier? Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Tech and finance billionaires like Bill Gates, Mark Zuckerberg, Jeff Bezos, Jack Ma, Meg Whitman and Richard Branson will use part of their net worth to invest in high-risk clean energy companies. ( violetkaipa / Shutterstock ) Produced by PRI and WNYC