She discovered that black mold had streaked the firewalls and settled in thick clumps near the floor.

WSJ: The $500,000 Housecleaning

Kennedy Jr. describes how he and his wife restored their flooded, black-mold-infested home into an eco-friendly residence.

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The furniture is still wet and the curtains are black with mold in Pura Gonzalo's Far Rockaway home, where the 89-year-old Cuban immigrant says she has throat problems and feels exhausted.

WSJ: 3 months after Sandy, victims waiting for relief