Dallas Morning News |
EPA tightening limits on smog-causing ozone linked to asthma, respiratory illness
Dallas Morning News WASHINGTON — The Obama administration has set a new national ozone standard, tightening limits on the smog-forming pollution linked to asthma and respiratory illness. Officials familiar with the plan but not authorized to speak on the record say the … EPA tightens limits on smog-causing ozone linked to asthma and lung diseases US: Current smog limit inadequate to protect public health |
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