A number of organisations and individuals have criticised aspects of the 'Green Economy'. The research organisation ETC Group argues that the corporate emphasis on a biobased economy "will spur even greater convergence of corporate power and unleash the most massive resource grab in more than 500 years." Venezuelan professor Edgardo Lander says that the UNEP's report, "Towards a Green Economy", while well-intentioned "ignores the fact that the capacity of existing political systems to (regulate and restrict)... is seriously limited by the political and financial power of the corporations." 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". He added it "may rather give much false hope and excuses to do nothing really fundamental that can