Chicago, which by one estimate had more than 600,000 residents living in food deserts without easy access to grocery stores in 2006, is making progress on the issue. The city's food deserts were mapped by Mari Gallagher, armed with data from Chicago State University geographer Dan Block, during the administration of former Mayor Richard Daley. Since then, more supermarkets have been built, and Mayor Rahm Emanuel and first lady Michelle Obama are bringing more attention to the problem.

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