Developed with the help of experts in the field of environmental education, this accessible and abundantly illustrated resource informs users about ecology and the connection between people and the natural environment. Emphasizing how humans make a difference, articles on specific habitats draw attention to the threat of series extinction, the promise of sustainability, and personal responsibilities for stewardship of the earth. Biographies of ecologists and articles discussing broad environmental concerns contribute to students' knowledge of concepts central to the science curriculum.

FEATURES OF THIS RESOURCE:

• 117 articles
• Hundreds of full-color photographs, illustrations, diagrams, and maps
• Entries include:
• Key facts boxes to highlight points of central interest
• ' a Fact! boxes explore topics in detail

There are entries on prairies and ponds, as well as particular habitats like Australia's Great Barrier Reef, the Badlands, and Yellowstone National Park. Concepts such as biome, ecosystem, and nutrient cycle, are the focus of other articles. Biographies of noted ecologists are also included.