Climate change is being felt the world over and if global warming continues to increase the effects could be catastrophic. Some scientists and engineers are proposing radical, large-scale ideas that could save us from disaster. Although these ideas might have unknown side effects, some scientists believe we may soon have no choice but to put these radical and controversial plans into action. "Five Ways To Save The World" was broadcast on 19 February 2007 on BBC Two.
Five ways to save the world.
