Science and society.

TAPE 1 Education Part 1: Flick of the switch" Alternatives to fossil fuels - nuclear energy, renewable energy, conservation of energy. Part 2: Living on our own muck" Waste products - disposal, recycling, waste avoidance. Part 3: How green is our valley?" The hole in the ozone layer, the greenhouse effect, acid rain. Part 4: Food for thought" How safe is our food? Ethical scrutiny of man's treatment of animals.