Across the country, environmental education schools and the growing movement to get children outdoors are challenging the current "indoor generation" of kids. Martin LeBlanc, Sierra Club national youth education director, says the interest has never been greater. People have never been more aware of the fact that children are not getting involved with the outdoors. Even as No Child Left Behind decreases the time allotted for environmental education and field trips, research shows that children who spend time outdoors are healthier, happier, and smarter. With the global warming crisis looming, children who spend time outdoors may also be the ones who help save the planet. This article describes how schools are teaching their students to love and protect the environment outside their classrooms. It also discusses the benefits of using the outdoors as a classroom.