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" ... Karen Lightman, Executive Director of the Carnegie Mellon University Metro21: Smart Cities Institute, who spoke at the forum, said the solution is an integrated approach. “Cities and communities in general are a system of systems,” Lightman explained to me. “You can’t solve one problem, like addressing traffic by changing the traffic signalization if the cities and roads are flooded, if there are landslides, if the air quality is bad, so everything is interconnected.” ... "