Original sentence: " They argued that this failure opened an opportunity to set climate policy free from Kyoto and the paper advocates a controversial and piecemeal approach to decarbonization of the global economy.Mike Hulme is one of the authors of the the Hartwell Paper,  published by the London School of Economics in collaboration with the University of Oxford in May 2010.The authors argued that after what they regard as the failure of the 2009 Copenhagen Climate Summit, the Kyoto Protocol crashed  and they claimed that it "has failed to produce any discernable real world reductions in emissions of greenhouse gases in fifteen years