"The Encyclopedia" now includes 250 readable and authoritative articles - many of them new to this volume - in all major environmental subjects of broad and timely interest: from rainforests to hazardous waste and sewage treatment. This is the only reference of its kind offering a complete overview of current environmental problems and the solutions needed to ultimately project and preserve our environment. Numerous photographs, diagrams, charts, graphs, and line drawings supplement the text. It is an essential source for environmental scientists and engineers, technologists, environmental planners, ecologists, landscape architects, civil engineers, government officials, students, concerned businesspersons, and any interested reader.