America's cities, blanketed with smog and climate-altering carbon dioxide, have become cradles of ill health and are fostering an epidemic of asthma, according to a report yesterday from a leading group of Harvard University researchers and the American Public Health Association. Particularly hard hit are preschool-aged children, whose rate of asthma rose by 160 per cent between 1980 and 1994 (more than twice the national average), the report says.
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"These children get hit with a powerful one-two punch: exposure to the worst air-quality problems and the additional allergen exposure arising from global warming," said Christine Rogers, a research scientist at the exposure, epidemiology and risk program at the Harvard School of Public Health.
The researchers also found that poor, non-white children, who are clustered in the cities, are also at most risk for getting sick from asthma. The highest incidence of asthma in the U.S. is among African-American toddlers and low-income toddlers. Far from being a distant threat, global climate change is already affecting the health of these urban Americans, as well as citizens of many other parts of the world, says the report.
"It is already happening," said Paul Epstein, associate director of the Center for Health and the Global Environment at Harvard Medical School. "It's happening much faster than we imagined two, three, four years ago."
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