When a doorbell rings in the dead of night in Chicago’s Englewood neighborhood, hearts leap into throats and mothers panic; it can’t be good.In the early hours of Jan. 7, 2011, Gloria Pinex receiv...

All around the country, we are watching the greatest environmental crisis in decades unfold. We are waiting for the governments—local, state and national—to expedite the remedies.In April 2014, city officials in Flint, Michigan, officially changed the city’s water source from the much-admired Detroit water system to the highly polluted Flint River to cut costs. This caused immediate problems including harmful water qualit...