The prairie grassland biome covers the heartland of North America with an eastward extension called the Prairie Peninsula. Primarily composed of tallgrass prair

Essential overview of American Indian societies during the Archaic period across central North America.

North America contains an incredibly diverse array of natural environments, each supporting unique systems of plant and animal life. These systems, the largest

By the beginning of the twenty-first century, few people could deny the reality of global change. But while most alarm has been over increasing temperatures, ot