Environmental education with ideal teaching tools are essential for raising the publics, especially students, awareness of many environmental issues. Environmental education is an important tool of change because it has the ability to bring about a shift in attitude and encourage human lifestyles that support ecological integrity. In this book, Chapter One focuses teacher educators' uptake of environmental education. Chapter Two describes the experiences of the authors in the application and development of Learning Objects (LO) for interactive teaching in the field of environmental engineering. Chapter Three provides an easy-to-make global warming model instrument and reviews its applications in basic environmental education. Chapter Four develops a model instrument of a thermal power generator that can be applied as a teaching tool for understanding of air pollutant forming as well as power generation. Chapter Five develops a do-it-yourself model instrument of acid rain and estimating its applicability to the environmental education. Chapter Six reviews contemporary threats and how to prevent them in the social-psychological safety of an educational environment.