Breakthrough Energy, a venture capital investment firm, and Drawdown Fund, an investment fund, led a $130m Series D funding round in SOURCE Global, a drinking water technology provider, with participation from Microsoft Climate Innovation Fund, Fifth Wall, Blackrock, WIND Ventures, Duke Energy, Harvard Management Company, Material Impact Partners, Monashee Capital, and The Lightsmith Group. “We are thrilled to expand our partnership with this category-creating business. Over the last half-dozen years, SOURCE has been building a tightly interconnected set of global solutions that have the power to make potable water poverty a thing of the past. As SOURCE continues to execute and grow, we believe the company will have a generational impact," Carmichael Roberts, Breakthrough Energy Managing Partner at Material Impact and Co-Lead of Investment Committee.