BBC Two – 5 Ways to Save the World

Five scientists and engineers are proposing five radical ideas on a
major scale that could save the world from climate change disaster.

Climate change is being felt the world over and, if global warming
continues to increase, the effects could be catastrophic. Incredible as
some of these ideas may seem, the scientists proposing them are not
cranks – they are among the most eminent scientists and engineers in the
world.

5 Ways to Save the World