Science: Earths Resources

From the people at National Geographic: Get the low down on this fascinating multi-use material.

Includes information on: Development of Plastics; Molding of Plastic; Environmental Considerations; Composition and Types of Plastic. From the Columbia Electronic Encyclopedia, 6th ed.

The most versatile man-made material ever, plastic literally means to mold or form. Celluloid was first created to replace elephant ivory. Nylon, polyethylene, and Teflon are other types of plastic. Bioplastics are now being developed to reduce the impact of waste plastic. Made of hydrocarbons, plastics are extracted from petroleum. Investigate two polymerization processes. Discover the difference between thermoplastics and thermosetting plastics. Learn about the manufacturing processes used to make plastic bottles, pipes, telephones, and folders.

Good Wikipedia site - not too complicated while remaining comprehensive.

Wikipedia's easier to understand version!

Provides pros and cons of solar energy. The group exists to educate visitors and provide them with opportunities to get involved with solar. This includes a petition, a blog full of informative articles, location-specific solar infographics.

Australian Broadcasting Commission's Environment news, features and links from the ABC. Includes a greenhouse calculator and links to greenhouse, sustainable development, alternative energy, nature, oceans, environmental degradation, Antarctica and more. link