Water
Streams have been used to power watermills for two or three thousand years. Tidal mills date from medieval times.
Under construction
General
| Green energy boost for Scotland (article) | |
| ITPower (Hydropower) | |
| Making waves to generate cash | |
| Q&A: Wind and wave power | |
| Unit[e] generators | |
| Wavegen |
Wave Energy
Waves are caused by wind action on the sea, and wind is is produced because land and sea are heated to different extents by the sun.
| Blue Energy (Canada) | |
| European Wave Energy Research Network (EWERN) | |
| Mighty Whale (Japan) | |
| Ocean Power Delivery Ltd. (Pelamis) | |
| Ocean Wave Energy Company (OWECO) | |
| Wavegen | |
| Wave Power Group (Edinburgh University) (links)* |
Tidal Power
Tides are produced by the pull of the moon and sun.
| Engineering Business Ltd. (Stingray) | |
| Marine Current Turbines (MCT) (Installation at Lynmouth) | |
| Robert Gordon University Centre for Environmental Engineering and Sustainable Energy | |
| RVCogen | |
| Subesea PowerStation (article) | |
| Tidal Mills |
Hydroelectricity
The sun creates heat which evaporates water, which then forms clouds and falls as rain over the land. Some of this rain travels down rivers whose power can be tapped.
| Bakun Dam |
Water quality
A lot of what we do affects the quality of water. The changes brought about by extraction of energy can be
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Bag It and Bin It - Don't Flush It Campaign Encourages householders to bag and bin sanitary products |
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Environment Agency Government agency responsible for protecting and improving the air, land and water environment of England and Wales |
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Marine COnservation Society Promotes the sustainable management of the marine environment |
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Surfers Against Sewage Campaign for improvements in the quality of seawater and beaches | |
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Tidy Britain Group National anti-litter organisation, which campaigns for the improvement of local environments |
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Wildfowl and Wetlands Trust Works to save wetlands for wildlife and people |