Ulrich Hoffmann , in a paper for UNCTAD also says that the focus on Green Economy and `` green growth '' in particular , `` based on an evolutionary ( and often reductionist ) approach will not be sufficient to cope with the complexities of climate bring about a U-turn of global greenhouse gas emissions .
Ulrich Hoffmann , in a paper for UNCTAD also says that the focus on Green Economy and `` green growth '' in particular , `` based on an evolutionary ( and often reductionist ) approach will not be sufficient to cope with the complexities of climate change '' .