1. Volume 20, Issue 1, Pages R1-R2 (January 2010)
Few degrees of freedom 
Nigel Williams 
Current Biology 
Volume 20, Issue 1, Pages R1-R2 (January 2010)
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2. Pressure: Danish police resist the increasingly frustrated protesters at the climate change summit in Copenhagen. (Picture: Peter Dejong/AP/Press Association Images.)
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3. Protest: The Nepalese government climb up Mount Everest to deliver a message of concern about climate change. (Photo: Gemunu Amarasinghe/AP/Press Association Images.)
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