WASHINGTON, April 06, 2021 (GLOBE NEWSWIRE) -- Project Learning Tree® (PLT) released a new curriculum guide today to engage kindergarten through grade 8 students in exploring their environment. Project Learning Tree is a long-established, award-winning environmental education program that uses trees and forests as windows on the world to advance environmental literacy, stewardship, and pathways to green careers. The guide includes fifty field-tested, hands-on activities that integrate investigations of nature with science, math, English language arts, and social studies. It incorporates outdoor education and connects youth to nature which has many proven benefits.