| This is the home page of the World Energy Council. Within this site, there is relevant information on coal, natural gas, crude oil, peat and uranium. |
| This is the home page of BP Amoco. This site includes an annual statistical review of world energy, within which data is given on fossil fuel reserves. |
| This is the home page of the UK government’s environment agency covering England and Wales. This site contains useful information on groundwater. |
Authored & Published by Dr Kevin Reiling