Ocean Thermal Energy
Hawaii OTEC Fact Sheet, NREL: Ocean Thermal Energy Conversion, Ocean Resources - Natural Energy, Sea Solar Power International
Tides
British Tidal and Wave Energy Report, Derby Hydro Power Tidal Power Project, Electricity from the Sea, Electricity from the Sea, French Science and Technology No. 29: The Rance Ti, Tidal Electric, Inc., Tidal Hydroelectric Power, Tidal Power - The Australian Renewable Energy Webs