In an effort to curb emissions in Manhattan, city officials are looking to tax vehicles coming in and out of New York’s central business district. But many are concerned that rather than curb traffic, drivers will simply find alternative routes – through neighborhoods already suffering from excessive air pollution. Soledad O’Brien visits one community – nicknamed “asthma alley” due to its high rates among children – to see how one idea to curb climate change could impact another community already struggling to breathe.

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