title: Reply to Pfister and Hellweg: Water footprint accounting, impact assessment, and life-cycle assessment.
authors.forename: Arjen Y
authors.initials: AY
authors.lastname: Hoekstra
authors.forename: Winnie
authors.initials: W
authors.lastname: Gerbens-Leenes
authors.forename: Theo H
authors.initials: TH
authors.lastname: van der Meer
mesh_terms: D018556:Crops, Agricultural / Q000254:growth & development / Q000378:metabolism*; D004560:Electricity; D004734:Energy Metabolism; D004736:Energy-Generating Resources; D000431:Ethanol / Q000737:chemistry / Q000378:metabolism*; D006358:Hot Temperature; D013997:Time Factors; D014867:Water / Q000378:metabolism*
chemical_list: D014867:Water; D000431:Ethanol