Imprint
Information required by law § 5 DDG:
Bundesdeutscher Arbeitskreis für Umweltbewusstes Management (BAUM) e.V.
Osterstraße 58
20259 Hamburg
Phone: +49 (0)40 – 49 07 11 00
Fax: +49 (0)40 – 49 07 11 99
E-mail:
Represented by
the Executive Board:
Yvonne Zwick (chairwoman), Martin Oldeland (deputy chairman), Marion Sollbach (deputy chairwoman), Ellen Weiland (deputy chairwoman)
Register entry:
Registered in the register of associations.
Register court: Hamburg Local Court
Register number: VR11468
Sales tax ID:
Sales tax identification number according to §27a sales tax law:
DE 118713439
Responsible for the content (according to § 55 Abs. 2 RStV):
Conception, development and realization of the website: RITTWEGER+TEAM GmbH
Image rights:
© BAUM – all rights reserved.
Notice pursuant to the German Consumer Dispute Resolution Act (VSBG)
We are not willing or obliged to participate in dispute resolution proceedings before a consumer arbitration board.
Reproduction or use of such pages (or parts thereof) in other electronic or printed publications and their publication (including on the Internet) is only permitted with express prior permission. Furthermore, images, graphics, text or other files may be subject to the copyright of third parties in whole or in part.
All brands and trademarks mentioned on the website and possibly protected by third parties are subject without restriction to the provisions of the applicable trademark law and the ownership rights of the respective registered owners. The mere mention of a trademark on our website does not imply that it is not protected by third-party rights.
Photo: Kathrin Albrecht – © Christian Clarke
Photo: Dieter Brübach – © BAUM/Rainer Kant
Photo: Rainer Kant – © Ana Lucia Harbeck
Photo: Christoph Kohler – © BAUM e.V. / Peter Herrmann / PH-otography
Photo: Karina Frochtmann – © Casper Kerseboom
Photo: Philip Mathies – © private
Photo: Elisabeth Michels – © BAUM e.V. / Peter Herrmann / PH-otography
Photo: Martin Oldeland – © Frank Erpinar
Photo: Yvonne Schönherr – © private
Photo: Mathis Schröder – © private
Photo: Antonia Thiele – © BAUM / Peter Herrmann / PH-otography
Photo: Dr. Katrin Wippich – © private
Photo: Sandra Wolter – © private
Photo: Yvonne Zwick – © Hoffotografen
Photo: Prof. Dr. Natalie Eßig – © BMU Sascha Hilgers
Photo: Dagmar Fritz-Kramer – © Baufritz
Photo: Gabriele Hässig – © PicturePartner, P&G
Photo: Christoph Herzog – © Christian Köster
Photo: Alexander Holst – © Accenture GmbH
Photo: Prof. Dr. Claudia Kemfert – © Peter Himsel
Photo: Prof. Dr. Kerstin Kuchta – © TU Hamburg
Photo: Ralf Lokay – © BENJ AMIN SCHENK, FOTO STUDIO HIRCH
Photo: Aysel Osmanoglu – © Martin Steffen
Photo: Prof. Dr. Jochen Pampel – © private
Photo: Manfred Rauschen – © Öko-Zentrum NRW
Photo: Prof. Dr. Stefan Schaltegger – © Öko-Zentrum NRW Photo: Prof. Dr. Stefan Schaltegger – © Peter Himsel Dr. Stefan Schaltegger – © private
Photo: Bernhard Schwager – © private
Photo: Nicola Tanascovic – © REWE Group
Photo: Dr. Jens Wichtermann – © MIKE KOENIG Photography 2025