September 22, 2021 | By Rachel Lang
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December 28, 2020 | By Project Learning Tree
Students explore the environmental, social, and economic criteria of forest certification and consider possible benefits and limitations of certification for both forests and people.
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
Students model what happens to renewable and nonrenewable resources over time and discover why sustainable use of natural resources is so important.
December 28, 2020 | By Project Learning Tree
By examining trash, students can learn a lot about how and why they throw things away. Students find ways to reduce their community’s waste production and improve its management through participation in a service-learning project.
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
Our nation’s forests are managed to support different outcomes. Students learn how forests can be managed to meet human and environmental needs and examine national parks to identify challenges that forest managers face meeting different needs.
December 28, 2020 | By Project Learning Tree
Succession is a natural pattern of change that takes place over time in a forest or other ecosystem. Students read a story about succession and investigate the connections among plants, animals, and successional stages in a local ecosystem.
December 28, 2020 | By Project Learning Tree
Trees come in many shapes and sizes. Students become familiar with tree structure and scale by using different methods to measure them and by making comparisons. They learn the importance of standardized measurements and proper measuring techniques.
December 28, 2020 | By Project Learning Tree
Students play the role of forest manager for a 400-acre (162-hectare) public forest, exploring the complex factors that influence management decisions about forest lands.