Recent studies show that PM 2.5 particulate air pollution in NYC subways is above safe levels. For the sake of our health, the U.S. EPA should mandate standards of particulate air pollution in all subway systems in the country.
Recent studies show that PM 2.5 particulate air pollution in NYC subways is above safe levels. For the sake of our health, the U.S. EPA should mandate standards of particulate air pollution in all subway systems in the country.