Share information about Earth Day, which began in 1970 and is celebrated on April 22, and assign the related activities to help students learn more about ecology and the environment. This is a great way for students to gain an appreciation for environmentally friendly activities.
Excerpted from
The 20th Century
This comprehensive book presents highlights of each decade from the 1900s to the 1990s. It examines the political, economic, social, cultural, scientific, and technological advances of the twentieth century and introduces students to the individuals who made history in each decade.
