University of California
Migration of Early Humans: Evidence and Interpretations
While much of prehistory is cloaked in mystery, ancient ancestors left evidence in DNA, languages, and materials from their time. Using photographs of items such as cave paintings and ancient tools, as well as maps of linguistic patterns...
University of Texas
Understanding Migration
Human migration—often the result of push and pull factors—sometimes has dramatic outcomes for both those leaving their homelands and the host countries. Using a variety of case studies, learners consider those issues. Then, by completing...
Rainforest Alliance
Climate Educator Guide
Climate change is a hot topic in the news. Class members examine carbon dioxide data to analyze trends of our atmospheric makeup over time. They also discuss climate and climate change, and determine how these changes are affecting life...
Rainforest Alliance
Forests of Guatemala
With 90 percent of its land area covered in forests, Suriname, a country in South America, contains the largest percentage of forests throughout the world. Here is an activity that brings classmates together to learn about the...
Rainforest Alliance
Investments in Forest Carbon
One hundred metric tons of CO2 can accumulate in one acre of forest over time—that's a lot of carbon! In the activity, groups of middle school learners determine what makes forests important. They then solidify the concept by using a...