National Affairs: Air

No sooner had New Yorkers heard the good news about their water supply than their attention was wrenched abruptly skywards. In three sections of the city, a local survey showed last week, soot was piling up twice as deep as it did in Pittsburgh in the days when Pittsburgh was a standard joke. One expert estimated that the annual fall of soot within a radius of 40 miles from New York City might be as high as 384,000 tons a year. And what disturbed New Yorkers most of all was a new test which showed they sucked in about 185,000 particles...