Nitrogen Dioxide

February 6, 2016, 1pm PST
Good news for the United States is found in a recent series of maps by NASA. Air pollution has significantly improved around the country.
The Washington Post
March 9, 2015, 7am PDT
Too often we report on new studies showing how air pollution worsens public health, often causing premature death. For a change, here's a study showing how efforts to improve air quality in Southern California have boosted public health in children.
The Wall Street Journal
April 18, 2014, 11am PDT
A new study by researchers from the University of Minnesota presents a sweeping portrait of trends in exposure to nitrogen dioxide across the United States.
The Washington Post - Wonkblog