December 28, 2020 | By Project Learning Tree
Using data collected from Mauna Loa, students graph changes in atmospheric levels of carbon dioxide (CO2) over the course of several decades and identify possible reasons for those changes.
December 28, 2020 | By Project Learning Tree
Never underestimate the power of a tree! In addition to giving us an amazing array of paper and wood products, trees provide a host of other benefits—from shading our backyards to reducing air pollution to helping stabilize the global climate.
December 28, 2020 | By Project Learning Tree
The energy we use at home, school, or work enhances our lives, but it also often contributes to air and water pollution, wildlife and habitat loss, and climate change.
December 11, 2020 | By Project Learning Tree
This Learn About Forest activity is perfect for forest sector professionals leading educational events, career days, or field visits with youth. Learners identify benefits we receive from trees and participate in a tree-planting event.
November 12, 2020 | By Project Learning Tree
By conducting research and modeling a food web, students take a close look at a forest ecosystem and discover ways that plants and animals are connected to one another.
September 29, 2020 | By Project Learning Tree
The trees in our communities provide many benefits: they improve air quality, store carbon, and conserve energy.
September 29, 2020 | By Project Learning Tree
Everyone has an equal right to a healthy environment—but does everyone have a healthy environment?
August 25, 2016 | By Project Learning Tree