The Cornell University Center for the Environment's internet site The Science and Engineering of Composting provides all the background information necessary to understand successful composting, including simple and well-explained equations. The content is divided into four categories:
[Background Information] covers four key areas of composting: invertebrates, microbes, chemistry, and physics.
[Getting the Right Mix] introduces composters to the concepts necessary for creating a successful compost pile, including moisture content, bio-availability, and carbon content.
[Composting Experiments] offers ideas for projects to investigate factors influencing the composting process, such as temperature, pH, and invertebrates.
[Composting Engineering Fundamentals] focuses on three engineering principles used in composting: process analysis, odor management, and water quality protection.
1.6 million tonnes (7 per cent) of household waste was collected for recycling or composting during 1996/7 in the UK.