You are subscribed to It All Starts With Science Blog for U.S. Environmental Protection Agency. This information has recently been updated, and is now available.
02/28/2013 10:38 AM EST
By Kathy Sykes When I moved to Washington DC from my native Madison, Wisconsin, I missed the clean air that I had taken for granted. Summers in DC with sweltering temperatures and "Ozone Action Days" made it feel difficult to breathe just walking to work. On those days, a song kept playing in my head, [...]