Save the Earth by killing it? Sure. But only a little part of it. So goes the philosophy of young superstar Brazilian biologist Marcela Uliano da Silva, who wants to eradicate a foreign species encroaching on the Amazon River's shores: the golden mussel.
Andersen discovered that animal agriculture was the leading and often undisclosed source of resource degradation and pollution, accounting for a third of the earth's fresh water usage, most rain forest destruction and the ocean's growing dead zones.