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Fifty years from now, the world will have a few billion people more, and a growing demand for energy.
Ultimately, however, fossil energy resources are liable to be depleted.
How will we heat our homes and workplaces?
What fuel will power our cars?
Where will industry find the energy to drive its activities?
Already, ideas are taking shape and new solutions are being tested.
This series of articles reviews the current
situation and thinking regarding one of the major challenges of the 21st
century.
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