Book excerpt: You know the 3Rs: reduce, reuse, and recycle. But what does it really mean and why is it important to cut back on waste? Each year, businesses and homes in the United States throw away enough garbage to equal 251 million elephants. Where would we keep that many elephants? More to the point, where does all that garbage go? Discover why waste is creating problems for Earth and how you can reduce, reuse, and recycle now. Book features: Table of Contents; Glossary; For More Information including books and web sites; Index; photos and captions; charts and graphs; source notes.