B> Global warming, species extinction, overpopulation, recycling--as the millennium approaches, environmental science stands at the interface between humans and nature. This readable guide is an up-to-date source that explores these and many other issues, and assesses options or progress in their solution. Helps readers critically evaluate the latest environmental issues and make educated decisions about real-life situations and events. Provides the most up-to-date information available on environmental hazards and human health, economics, and public policy. Contains a fully updated and revised art program. Includes Making a Difference sections in every chapter that suggest courses of action readers can take to become involved in helping the environment. Offers a book-specific Website with many additional resources. For anyone interested in learning more about today's environmental concerns and in getting involved to effect change.