Global Forest Watch (GFW) is an online platform that provides data and tools for monitoring forests. It uses advanced satellite data and crowd-sourced information to track deforestation and how forests are changing throughout the world...

This website provides information on the life and inventions of Lee DeForest, the man who invented the audion tube, which made commercial radio broadcasting practical.

Learn about the different kinds of forests, how forests are structured, their importance, deforestation and its impact, forest degradation, and what individuals can do to protect forests.

Deforestation is clearing Earth's forests on a massive scale. In this lesson, students learn the value of large-scale forest landscapes and their role in the carbon cycle.

Deforestation causes more greenhouse gas emissions than all trains, planes and automobiles combined. Suzanne Simard examines how the complex, symbiotic networks of our forests mimic our own neural and social networks- and how those...

Geography and culture of the western Amazon state of Rondonia, including detailed information about urbanization and deforestation and links to other resources about Rondonia.

Part of a larger site about the history of the transistor, this brief biography of Lee de Forest, the inventor of the audion, includes a QuickTime movie that shows how it worked.

This site explains the importance of rivers in the natural balance of life on Earth, and describes what happens when people begin to tamper with rivers. This will also help students identify options for dealing with the outcomes of human...

A biography on audion inventor, Lee de Forest, from childhood on. Hyperlinks to additional information about the radio and broadcasting.

A profile of Lee de Forest who lived from 1873 to 1961. He was one of the most important inventors of radio and electronic technology, whose inventions touch everyday life.

Compare plants grown in simulated Amazon soil to those grown in soil prepared by the slash-and-burn method. Describe leaf development in plants grown in different soils and chart, average and graph plant growth by height

Provides links to sites such as forestry, population, management, diversity, and fire. There are lesson plans, tours and educational links for teachers.

Learn about landslides, their causes, the different types, how to prevent them, names of major landslides, and other interesting facts.