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Growing green cities / Michael Heise, Project Syndicate, 1/07/2014http://www.project-syndicate.org/commentary/michael-heise-proposes-a-mechanism-for-boosting-private-investment-in-urban-infrastructureThe future of the world’s climate will be decided in our cities. Urban areas already account for up to 70% of global CO2 emissions, and that share is likely to increase in the coming decades, as more people – billions more – move to cities, and as urbanization drives global economic growth. From the standpoint of both climate change and growth, the rise of cities represents a challenge and an opportunity...