ENVIRONMENTAL CHAMPION: DIANA LOPEZ, 20

Diana Lopez has mobilized a union, drawn together a community and created a source of fresh, whole food. A winner of the Brower Youth Award, North America’s most prestigious prize for young environmental leaders, she was the force behind one of the first community gardens in San Antonio, providing an important step in the city’s green development. Her one-acre garden has already inspired one other in the city. She’s also organized clean-up of military base contamination and rallied for energy policy change.