Environmentalism has become a hot button political topic. When leadership teams create an impression, one way or the other, that the Earth is in trouble, we need to pay attention. This valuable resource presents simple facts about the history of environmentalism in America, and why it exists. It examines the science behind certain assertions, and teaches readers about new issues, and new solutions.

The Hands on Science series provides students with background on key concepts in Science. Each title includes engaging hands on exercises that bring the concepts to life for kids. Real World Science: Ecosystems, examine and define what are ecosystems, how living things get energy in an ecosystem, competing and surviving in an ecosystem, and extinction and its causes

Examines the ancient civilizations and peoples of Mayan mythology, to explore and study their religious beliefs and myths.

Explores the scientific principles behind some of the most popular team and individual sports. Covers origins, history and changes, the biomechanics and physiology of playing, related health and medical concerns, and the causes and treatment of sports-related injuries. This volume covers the sport of cycling.