Index -- All about trees -- How do trees help us? -- Threats to trees -- A world without trees -- Glossary -- Read more -- Internet sites -- Index -- About the author
Summary:
"Discover why TREES are important to our world in this photo-filled nonfiction book for budding young scientists. Trees are great for shade in the summer. And we use them build our homes. But what else do trees do? A lot! They help keep the air clean. They provide shelter for animals. And they can even help prevent landslides. With eye-catching photos, quick facts, and beyond-the-book back matter, Why Do We Need Trees? will have young researchers and science fans exploring more about the NATURE WE NEED"-- Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.