Wilma Subra, long a hero and friend of mine, travels from New Iberia, Louisiana to help communities across the world deal with environmental justice issues. As an community activist and an environmental chemist she shows people how to make corporate and federal bodies accountable. There is a reason she won the MacArthur Award, and here she tells of possibly the largest environmental disaster in the history of the US. Why does she do it? She wants the world to be a better place for her grandchildren….