The roots of sibling rivalry were planted over dinner. Sitting around a pot of uchumanga fish stew and bread made of yuca, then-12-year-old Frank Shanga Piedra listened as his sister Talia shared her news from the day. Their school in Kanambu, a small village inland from the Napo River in Ecuador’s Amazon Rainforest, won first place in WE’s Clean Schools Program—and Talia led the way.