By most accounts, the summer of 2010—when climate legislation died its slow, agonizing death on Capitol Hill—was not a happy time for environmentalists. So why was Mary Anne Hitt feeling buoyant, even hopeful? Part of the reason, no doubt, were the endorphins of first-time parenthood. Baby Hazel, born in April 2010, was fair like her mother and curly haired like her father. She was also an 11th-generation West Virginian, which perhaps explained her mom's other preoccupation: stopping mountaintop-removal coal mining in Appalachia.