Vigils mark year after BP spill

By John Moore, Getty Images

Sierra Club member John Koeferl and fellow demonstrators gather to commemorate the one-year anniversary of the BP oil spill Wednesday in New Orleans.

EnlargeCloseBy John Moore, Getty Images

Sierra Club member John Koeferl and fellow demonstrators gather to commemorate the one-year anniversary of the BP oil spill Wednesday in New Orleans.

A group of religious leaders and environmentalists lit candles at dawn in front of New Orleans

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