For 200 years industrial civilization has relied on the combustion of abundant and cheap carbon fuels. But continued reliance has had perilous consequences. On the one hand there is the insecurity of relying on the world's most unstable region - the Middle East - compounded by the imminence of peak oil, growing scarcity and mounting prices. On the other, the potentially cataclysmic consequences of continuing to burn fossil fuels, as the evidence of...