The documented and undocumented benefits of interacting with nature are enormous. Outdoor activity can take many forms, from simply taking a long call in an outdoor setting, participating in a yoga class in a local park, or going for a hike in the mountains. NEEF's Children and Nature Initiative: Rx for Outdoor Activity focuses on preventing and managing health conditions that have been on the rise, such as obesity and attention-deficit disorder, by addressing sedentary lifestyle and physical inactivity. Connecting children and their families to nature can promote good health, enjoyment, and environmental stewardship. NEEF is educating health care providers and land managers around the country about these benefits of outdoor activity and connecting them in communities around the nation to prescribe safe and accessible nature opportunities for better health outcomes.