Living things depend on other living things in order to survive. This is called interdependence. This engaging book explores the symbiotic and competitive relat

Explains what the environment is, and the organism, plants, and animals that live there.

This book marshals ecological literature from the last century on facilitation to make the case against the widely accepted individualistic notion of community

What do you get when you bring together two of NSTA’s bestselling authors to ponder ways to deepen students’ conceptual understanding of science? A fascinat

Calling all people to become stewards of the earth, this edition of the Declaration is a heartfelt plea for the planet's preservation.