A destroyed neighborhood is seen in Joplin, Mo. on Tuesday. (Charlie Riedel/AP)

FEMA has already deployed more than 4,300 workers this year in response to dozens of federally declared disasters and has distributed about $149 million in aid. But it is carrying more than $17 billion in debt from storm-related aid in the past six years.

On Tuesday, the House Appropriations Committee approved $1 billion in additional disaster relief for FEMA as part of a measure funding the Department of Homeland Security for fiscal 2012. FEMA would use the money for the final four months of fiscal 2011.

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