People who own the world outright for profit will have to be stopped; by influence, by power, by us. — Wendell Berry1 The need for more studies confirming that we’re approaching an irreversible ecological crisis, the tipping point beyond human control, is over. James Hansen, the world’s most eminent climatologist is so certain of this evidence that he’s added civil disobedience to his resistance repertoire. Along with legal challenges, expert testimony and lobbying governments, the 72-year-old grandfather advocates direct action by a mobilized citizenry.