Project Learning Tree® (PLT) is an award-winning environmental education program that advances environmental literacy, stewardship, and pathways to green careers using trees and forests as windows on the world. Our fun, hands-on activities, suitable for all ages and settings, can be easily used by educators, families, youth groups and community leaders to teach children about nature. We also offer high-quality professional development and multi-disciplinary supplemental curriculum correlated to academic standards for teachers to integrate teaching about the environment into their lessons and become comfortable teaching outdoors.