ecology, definition of

Carbon is the chemical element with symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. There are three naturally occurring isotopes, with 12C and 13C being stable, while 14C is radioactive, decaying with a half-life of about 5730 years. Carbon is one of the few elements known since antiquity. The name "carbon" comes from Latin language carbo, coal.

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• Green Home Building and Ecology in Australia
  Info and sites that help with building a sustainable and green home in Australia and useful government agencies to be aware of. Also advice on dealing with architects and builders.
• Efficient Water Usage and Storage
  How to improve your water harvesting and collection with water tanks and how to use the water efficiently and be ecologically sound.

Related Tags: environment