The Emerald Realm: Earth's Precious Rain Forests

By: National Geographic Society

National Georgraphic Society Hardcover Book. Together, earth's tropical forests make up a globe-girdling emeral realm that occupies jut 5 percent of the world's land area - yet nurtures perhaps half its pland and animal species. From this cornucopia pours and array of fods and hervs, theraw substance of medicines and chemicals, an variety of constructive materials from bamboo to teak. Iherent nte diversity of ran forests is their plenitude of genetic material - invaluable to science, especialy in this age of botechnology. Genetic materials from wild plants can strengthen food-crop species, building resistance to insects, disease and drought. In Myriad ways rain forests are vital to ur existence, but they are increasinglyimperiled. Thoughtlessness, greed and widespread hunger born of burgeoning human populations are depleting the foests at an unprecedented rate. Recent deforestations have sparked more plant and animal extinctins tan have occured at any other tim since the dinosaurs abruptly died out 66 million years ago.

• Format: Hardcover
• Language: English
• ISBN: B001UIBUHI
• ISBN13: 9780870447907
• Release Date: January 1990
• Publisher: Natl Geographic Society
• Weight: 1.50 lbs.
• Dimensions: 0.9" x 6.9" x 10.1"