Think you're safe eating organic? Learn about persistent organic pollutants on this Moment of Science.
Scooping that poop is more important than you thought. Learn about the gross effects of not cleaning up your dog's fecal matter.
Learn about the new weapon researchers are using to fight toxic waste. "Toxin-loving Trees" on this Moment of Science.
Pollution in cities is pretty much an accepted thing, but what about pollution in the country? Learn about pollution on this Moment of Science.
Chicago, the windy city--this wind might bring some special problems to people with asthma. "Chicago and Asthma", on this Moment of Science.