The Energy Crunch – The Sunbeam Solution

The last of three programmes on one of the most urgent problems of this half-century. If oil is running out and the safety of nuclear power is in doubt, what else is there? What energy will carry us through the last decades of this century and into the next? Curiously, the answer may be staring us in the face-the sun. It has been heating and lighting this planet since time began. The technology for harnessing it properly is available. Every household could have a virtually free supply of power. In addition to the power over our heads, there is plenty more under our feet. Geothermal energy only a few miles below the earth's crust is already being tapped. But many governments and big corporations are not looking at these things. The research is being done by small groups, often by amateurs. Why?