The website also provides allergy prevention information, and links to more than a half dozen organizations engaged in related research and prevention. The National Heart, Lung and Blood Institute reports disparities in asthma mortality rates in hundreds of communities in the United States.
Maps allow the user to seek data by state, county and city.
The University of Vermont supplies a web-based directory of material safety data sheets and chemical toxicity information. Scorecard The Environmental Defense Fund, at its Scorecard website, ranks and compares the pollution situation in areas across the United States.