A new project off the south coast of England is
using ocean currents to generate electricity.
As water is much denser than air these turbines are claimed to be
4x times more efficient than traditional windmills.
Once built these
inconspicuous turbines
do not release carbon dioxide or other pollution, can deliver energy to a
predictable timetable + help countries to produce
renewable energy in line with the
Kyoto Protocol and "
Agenda 21".
Potential disadvantages, at least for marine life, include impacts with the front edge of the turbine blade and/or pressure changes associated with the movement of the turbine blades, known as
cavitations.
A similar system is being developed in the
East River of New York, and Earth-Info.Net expects to see many exciting developments in this promising technology over the years to come...
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