The author guides us through the latest approaches being researched to prevent global catastrophes, or at least to minimise their effect. Solutions range from t... » 

The author guides us through the latest approaches being researched to prevent global catastrophes, or at least to minimise their effect. Solutions range from the bizarre - filling the stratosphere with millions of tiny reflective balloons to block the sun's rays, to the realistic - the lubrication of earthquake faults, the capture and storage of atmospheric carbon dioxide, and rockets to nudge asteroids of collision courses with the Earth. Bill McGuire argues that we can make a genuine bid to survive what nature throws at us, providing we take risks seriously. «