title: Comment on the German draft legislation on hydraulic fracturing: the need for an accurate state of knowledge and for independent scientific research.
authors.affiliation: †Helmholtz Zentrum München, Institute of Groundwater Ecology, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany.
authors.forename: Martin
authors.initials: M
authors.lastname: Elsner
authors.affiliation: †Helmholtz Zentrum München, Institute of Groundwater Ecology, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany.
authors.forename: Kathrin
authors.initials: K
authors.lastname: Schreglmann
authors.affiliation: ‡Hamburg University of Technology, Institute of Environmental Technology and Energy Economics, Harburger Schlossstrasse 36, 21079 Hamburg, Germany.
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Calmano
authors.affiliation: §IWW Zentrum Wasser, Moritzstrasse 26, 45476 Mülheim an der Ruhr, Germany.
authors.forename: Axel
authors.initials: A
authors.lastname: Bergmann
authors.affiliation: ∥Helmholtz Centre Potsdam GFZ - German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany.
authors.forename: Andrea
authors.initials: A
authors.lastname: Vieth-Hillebrand
authors.affiliation: ∥Helmholtz Centre Potsdam GFZ - German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany.
authors.forename: Franziska D H
authors.initials: FD
authors.lastname: Wilke
authors.affiliation: ⊥Lower Saxony Governmental Institute of Public Health, Roesebeckstrasse 4-6, D 30449 Hannover, Germany.
authors.forename: Klaus-Michael
authors.initials: KM
authors.lastname: Wollin
authors.affiliation: #Helmholtz Center for Environmental Research - UFZ, Department of Environmental Engineering, Permoserstrasse 15, 04318 Leipzig, Germany.
authors.forename: Anett
authors.initials: A
authors.lastname: Georgi
authors.affiliation: ∇Westfälische Hochschule, University of Applied Sciences, Neidenburger Strasse10, D-45877 Gelsenkirchen, Germany.
authors.forename: Winfried
authors.initials: W
authors.lastname: Schmidt
authors.affiliation: ○Department of Environmental Geosciences, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria.
authors.forename: Thilo
authors.initials: T
authors.lastname: Hofmann
authors.affiliation: ○Department of Environmental Geosciences, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria.
authors.forename: Vesna
authors.initials: V
authors.lastname: Micić
authors.affiliation: ◆Division of Earth and Ocean Sciences, Nicholas School of the Environment, Duke University, Durham, North Carolina 27708, United States.
authors.forename: Avner
authors.initials: A
authors.lastname: Vengosh
authors.affiliation: ¶Department of Geoscience, University of Calgary, Calgary, Alberta Canada T2N 1N4.
authors.forename: Bernhard
authors.initials: B
authors.lastname: Mayer