Resources
Planet Earth: 25 Environmental Projects You Can Build Yourself

Books and arcticles

• Burton, Bob. Endangered Environments! Gareth Stevens Publishing, 1996.
  Davies, Nicola. Extreme Animals: The Toughest Creatures on Earth. Candlewick, 2006.
• Donald, Rhonda Lucas. Endangered Animals. Children's Press, 2002.
• Gralla, Preston. How the Enviroment Works. Ziff-Davis Press, 1994.
• Hoyt, Erich. Extinction A-Z, Enslow Publishers, 1991.
• Kalman, Bobbie. What are Food Chains and Webs? Crabtree Pub. Co., 1998.
• McCay, George. The Encyclopedia of Animals: A Complete Visual Guide. University of California Press, 2004.
• Simon, Noel. Nature in Danger: Threatened Habitats and Species. Oxford University Press, 1995.
• Simon, Seymour. Earth: Our Planet in Space. Simon & Schuster Children's Publishing, 2003.
• Simon, Seymour. The Sun. HarperTrophy, 1989.
• Sussman, Art. Dr. Art's Guide to Planet Earth: For Earthlings Ages 12 to 120. West Ed, 2000.
• Tagliaferro, Linda. Galapagos Islands: Nature's Delicate Balance at Risk. Lerner Publications, 2001.
• Thornhill, Jan. This Is My Planet: The Kids’ Guide to Global Warming. Maple Tree Press, 2007.