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Cleantech Open


The Cleantech Open runs the world’s largest cleantech accelerator. Its mission is to find, fund and foster entrepreneurs with big ideas that address today’s most urgent energy, environmental and economic challenges. A 501(c)(3) not-for-profit organization, the Cleantech Open provides the infrastructure, expertise and strategic relationships that turn clever ideas into successful global cleantech companies. Since 2006, through its one-of-a-kind annual accelerator and mentorship program, almost 900 participating companies in the United States alone have raised a total of more than $950M and created thousands of jobs. Internationally, the Cleantech Open Global Ideas competition is held annually in collaboration with Global Entrepreneurship Week (GEW), and has included entrepreneurs from 39 countries. Fueled by a global network of more than 2,000 volunteers and sponsors, the Cleantech Open unites the public and private sectors in a shared vision for making the cleantech sectors a thriving economic engine around the world. 

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