Extras
Watch a preview of Clearing the Air: The War on Smog.
We were told to "shake it like a Polaroid picture". But what if we got it wrong?
Thousands of Superfund sites have been identified across the United States.
22,000 tons of toxic waste in your own backyard
What do guinea pigs, eugenics and Japanese incarceration during WWII have in common?
Did you know that the Civil Rights Act of 1964 wasn鈥檛 supposed to include job protections for women?
Learn how Pat Banks Edmiston broke barriers in the sky.
