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UNEP Report Calls for More Sophisticated Approach to Developing Biofuels; Limitations of Current LCA Studies

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Here, RME show advantages for primary energy and GHG, but disadvantages in terms of acidification, eutrophication and ozone depletion. Increased emissions of GHG may result in particular when production takes place on converted natural land and the associated mobilization of carbon stocks is accounted for, the report finds.

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SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

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Increasing evidence suggests that biomass can be used much more efficiently (and therefore with less environmental impact) through direct combustion to generate electricity and heat, rather than being converted to liquid fuels such as ethanol. However very few studies include water use impacts. Ravindranath et al.