Study: Cars are biggest source of pollution in city
Summertime air quality can be bad for health and most of the pollution is caused by cars, according to a study conducted by the New York City Department of Health
The city found there is more pollution in high traffic areas. Exposure to pollutants from cars can lead to grave health problems.
The city is asking pedestrians to avoid high traffic areas. It?s also asking drivers to take more public transportation and use fuel-efficient cars.