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Sustainable cities are the solution | David Lepeska | Comment is free | guardian.co.uk
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The carbon footprint of urban dwellers is relatively light, says a report by David Dodman in the April issue of Environment and Urbanisation. Dodman, a researcher at the International Institute for Environment and Development, examined emissions reports from cities in the Americas, Asia and Europe.
He found that New Yorkers emit a third less greenhouse gases than the average American and that Barcelonans and Londoners emit about half of their national averages. And urban Brazilians are truly green: the residents of Sao Paolo and Rio de Janeiro are responsible for only one-third the national emissions average. Dodman's paper complements an earlier study by IIED senior fellow David Satterthwaite, who argued that cities emit about 40% of all greenhouse gases, as opposed to the oft-cited 80%.
On average, then, people who live in small towns and rural areas emit 50% more greenhouse gases than city folk. That cities may be part of the solution, however, does not mean that efforts like Bloomberg's PlanNYC are misplaced. Precisely the opposite is true.
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