Ever think about the impact those cool disposable chopsticks have on the environment? Read about a group of students in Beijing who created a forest using nothing but tossed out chopsticks. Find out how this artistic endeavor is making a...

Students consider definition of an ecosystem as it relates to the Canadian boreal, discover how deforestation affects this forest and recreate ecosystems. They write persuasive letters urging politicians or business people to help save...

Students investigate deforestation. In this Amazon Rain Forest lesson, students discover what deforestation is as they listen to a lecture, read and discuss an article, and define the vocabulary words on the provided list.

In this natural resources worksheet, students read a 1-page article about tropical deforestation and then respond to 11 short answer questions. Students then write a memo on deforestation and select 1 of 3 assessment activities to complete.

When studying artifacts, especially tools, how do archaeologists determine what the devices were used for? In what ways might researchers' previous experiences influence their perception of an artifact? An article about researchers'...

Students examine a variety of issues that affect the geography of Canada. In small groups they read a magazine article about a specific issue related to Canadian geography, answer discussion questions, and present a summary of their...

Students examine and discuss the current issues surrounding the deforestation of Canada's boreal forest. They also explore the issue through the eyes of the forestry industry.

What does it mean to have an innovative mindset? Pupils think outside the box with the first of five lessons from the WE Are Innovators—High School Modules set. Scholars read articles and watch videos about sustainable innovation, such...

Students consider the definition of an ecosystem, its parts, and how these parts can be affected when the ecosystem is endangered. They examine dangers being faced by the Canadian boreal forest by reading "For Billions of Birds, an...

Students examine the debate about using trees to clean up the environment by reading and discussing a news article. They research the various contexts for which scientists may want to genetically alter trees and assess the validity of...

Students begin the lesson plan by locating Tanzania on a world map. While reading an article, they note what the author's opinion is of the people who live there and discover the connection the people have with the land. They examine the...

Students consider the increase in floods. In this current events lesson, students visit selected websites to research the occurance of floods in Britain.

In this English worksheet, students read "Vietnam Illegally Logging Laos Forests," and then respond to 2 graphic organizers, 47 fill in the blanks, 7 short answers, 20 matching, and 8 true or false questions about the...

This Wikipedia encyclopedia article on Lee de Forest discusses his life and his invention of the triode (or audion), which laid the foundation for radio.

A reprint of an article from the magazine, "Electrical Experimenter," from February 1920, by H. Winfield Secor, describes some of the many practical uses to which the audion has been adapted.

Learn about the life and discoveries of Lee De Forest in this article.

This short article and video describe the clashes occurring in the Amazon between Peruvian security forces and indigenous Amazon tribes. (June 5, 2009)

BBC correspondent Dan Collyns examines the polarizing effects of the clashes in the Amazon between indigenous tribes and Peruvian security forces on the people of Peru. Links to related articles are provided. (June 10, 2009)