"According to globally averaged production, substituting biofuel for  crude oil would have a lower impact on water resources than substituting  cotton for polyester. For some crops…water  consumption is often at odds with land use… High spatial variability of water and land use related  impacts underlines the importance of appropriate site selection for  agricultural activities."

"According to globally averaged production, substituting biofuel for crude oil would have a lower impact on water resources than substituting cotton for polyester. For some crops…water consumption is often at odds with land use… High spatial variability of water and land use related impacts underlines the importance of appropriate site selection for agricultural activities."