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There is actually a lot that cities don’t know at all about green technology.

Oliver Sellers-Garcia, the director of sustainability and environment for Somerville, Mass., which aims to be carbon-free in the next 35 years.

Oliver Sellers-Garcia, the director of sustainability and environment for Somerville, Mass., which aims to be carbon-free in the next 35 years.

Caroline Cournoyer is GOVERNING's senior web editor.
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