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Nature 458, 284-285 (19 March 2009) | doi:10.1038/458284a; Published online 18 March 2009

Open Innovation Challenges

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When wise words are not enough

Thomas Homer-Dixon1

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Thomas Homer-Dixon argues that opinion-makers must demonstrate a better grasp of how societies rise and fall if they are to steer nations successfully through many of this century's major crises.

BOOK REVIEWEDGlobal Catastrophes and Trends: The Next Fifty Years

by Vaclav Smil

MIT Press: 2008. 320 pp. $29.95, £19.95

BOOK REVIEWEDWhat Next? Surviving the Twenty-First Century

by Chris Patten

Allen Lane: 2008. 496 pp. £25

These are bewildering times. One moment the global economy is booming and stock markets are soaring; the next, trillions of dollars of wealth have vanished, and we are on the cusp of a global depression.