โ€œHereโ€™s what I want you to think about: How can all of our efforts solve three or four problems at once?โ€

So said Vancouver deputy city manager Sadhu Aufochs Johnston at Livable Memphisโ€™ 4th Annual Summit for Neighborhood Leaders Saturday morning at Bridges.

โ€œLetโ€™s rethink how weโ€™re doing what weโ€™re doing in cities,โ€ he said. โ€œWe donโ€™t have the money to do one-off solutions anymore.โ€

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Johnston focused on Chicago and Vancouver, two cities that have a goal of being the greenest city in the world, and ideas whose solutions overlap between the environment and the economy.

In Chicago, a 40-acre brownfield site that had been vacant for 30 years was rented to the utility company for a solar power system that can generate enough power for 10,000 homes.

“If we cleaned it up, it would be worth $2 million, but it was going to cost $30 million to clean it up,” Johnston said. “After installing the solar system, the phones starting ringing off the hook. People and companies wanted to be near this thing.”