Letter to the editor re: "The scarcity-weighted water footprint provides unreliable water sustainability scoring" by

Affiliations

• ¹ Institute of Environmental Engineering, ETH Zurich, Zürich, Switzerland. Electronic address: pfister@ifu.baug.ethz.ch.
• ² Institute of Environmental Sciences (CML), Leiden University, Leiden, the Netherlands.
• ³ CIRAIG, Department of Chemical Engineering, Polytechnique Montreal, Montreal, Canada.
• ⁴ Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan.
• ⁵ Sustainability in Biosystems, Institute of Agrifood Research and Technology (IRTA), Caldes de Montbuí, Barcelona, Spain.
• ⁶ European Commission, Joint Research Centre, Via Enrico Fermi 2749, 21027, Ispra, VA, Italy.
• ⁷ CESQA Department of Industrial Engineering, University of Padova, Padova, Italy.
• ⁸ College of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China.
• ⁹ Chair of Sustainable Engineerung, Technische Universität Berlin, Germany.
• ¹⁰ Chair of Multidisciplinary Water Management, University of Twente, Enschede, the Netherlands.