In Minneapolis, pollution fight is not just getting the lead out

Jenni Lansing, an environmental inspector
Jenni Lansing, an environmental inspector for the city of Minneapolis who is coordinating a two-year study on volatile organic compounds, held an air monitoring canister she has just picked up from a restaurant in Minneapolis on May 14, 2015. The canisters are distributed throughout the city at about 100 different locations to take a 72-hour snapshot of air quality four times a year.