Shawn Lesser of Sustainable World Capital scoured the world looking for leading cleantech economic development regions. Here's his list of top clusters to watch.

What's a cleantech cluster?

Indeed, many people may have not heard the term, although it could quickly gain currency as people increasingly realize the tremendous opportunities offered by the cleantech sector.

For purposes of this list, we define a cleantech cluster organization as an economic development organization aimed at growing jobs in a specific geographic region. Among a cleantech cluster’s main goals are to promote innovation and investment.

Creating such a cluster is no simple task. First, the right circumstances must be present: A thriving technology base, abundant entrepreneurial and management talent, access to capital, and a proactive environmental public policy. It’s not easy to create, but once in place, a cleantech cluster can, in theory, create thousands of new jobs and attract billions of investment dollars to a region.

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