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
Students learn about the three elements a fire needs to burn and find out how this “fire triangle” can be used to prevent and manage wildland fires, particularly in the wildland–urban interface.
December 28, 2020 | By Project Learning Tree
Throughout history, people have intentionally and unintentionally moved plant and animal species to new environments. Some of these species have proved beneficial, but others invade natural habitats, causing environmental and sometimes economic harm.
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.
December 28, 2020 | By Project Learning Tree
Students examine trees for signs of damage or poor health and investigate conditions that may cause trees and other plants to become unhealthy.
December 28, 2020 | By Project Learning Tree
Tree rings show patterns of change in the tree’s life, as well as changes in the area where it grows. Students will trace environmental and historical changes using a cross-section of a tree.
December 28, 2020 | By Project Learning Tree
All kinds of people work in the forest—from foresters, to loggers, to scientists. Everyone depends on properly managed forests for recreation, essential products, wildlife and biodiversity, clean water and air.
December 28, 2020 | By Project Learning Tree
This fun and active modeling simulation reviews the conditions that trees need to live and grow, while also demonstrating that trees must compete to meet their needs.
December 28, 2020 | By Project Learning Tree
Students discover that trees have life stages that are similar to those of other living things. They discuss a tree’s role in the ecosystem at each stage of its life.