On a sunny August day in Phnom Penh, Cambodia, a dozen people ages 15–24 sit in a circle on the grass outside of the Prek Leap National Institute of Agriculture. They aren’t discussing the latest viral video or school gossip. Rather, they are exploring how communication strategies can help their families, peers and communities understand the negative effects of some of Cambodia’s most environmentally damaging behavior trends — and how they can live more environmentally friendly lives.