Global revenues from clean tech businesses--including air and water purification, advanced materials, distributed power generation, renewable energy, and process controls, such as sensors to monitor air and water--now surpass 85 billion pounds, according to the Cleantech Venture Network, a for-profit membership group that connects venture and institutional investors with entrepreneurs.

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The new Cleantech industry has a firm footing in Michigan, and in fact the thought leaders in the world, the Cleantech Venture Network based just north of Ann Arbor, is the group holding conferences all over the world (U.S., China, Toronto, Germany, France) to create financial markets for this new industry.

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