Biodegradability is the ability of substances to be broken down into simpler substances by bacteria. People around the world use great numbers of non-biodegradable products, including plastics, medicines, and pesticides. The process of biodegradation is key to Earth's life cycle. If unchecked, the production and use of non-biodegradable substances could have huge effects on life on Earth. In this useful book, students explore what living "Green" means...