The discovery of the Americas around 1500 AD was an extraordinary watershed in human experience. It gave rise to the modern period of human ecology, a phenomeno

Young readers explore various forms of pollution and how people are cleaning up the environment.

Young readers will discover what happens to trash in a landfill.

Updated for 2020, young readers will discover what Earth's resources are and how they can help recycle them.

While visiting the beach, Sandy is horrified by the mess left by other visitors and starts to clean up, and a local environmentalist tells her about limiting he