Growing up in Kingston, Jamaica, Peter Williams took for granted the holes in the wood floors of his house — and the rats that crawled through them. But when his father contracted a bacterial infection that left him paralyzed, Williams, a budding architect, began to recognize the connection between shoddy housing and ill health. "The disease was directly attributed to the fact that the house was poorly constructed," says Williams, 35. "I saw firsthand how housing was both responsible for his illness and also incapable of meeting his care needs, given that he was quite immobile." If the ... Read More