Most academics and certainly most sustainability managers agree that research on the 'business case' for sustainability has been very inconclusive. In fact many have simply decided that the business case for sustainability is elusive.

MARC BRUNNER Technische Universitat Berlin, Germany OLIVER ECHELMANN Technische Universitat Berlin, Germany ACHIM GEBEL Technische Universitat Berlin, Germany HANS-JRG HESS Technische Universitat Berlin, Germany AILEEN IONESCU-SOMERS Researcher, Forum for Corporate Sustainability Management, IMD,Switzerland and University College Cork, Ireland OLIVER SALZMANN Researcher, Forum for Corporate Sustainability Management, IMD, Switzerland and Technische Universitat Berlin, Germany

Introduction
PART 1: BUILDING A BUSINESS CASE: GENERAL FINDINGS, OBSERVATIONS AND LESSONS LEARNED Corporate Sustainability: The New Catch Phrase? How to Search for a Business Case and Build It Cross Sector Research Findings Assessment of the Business Case
PART 2: SECTOR REPORTS Automotive Industry - M.Brunner
Aviation Industry - A.Gebel
Energy Industry - O.Salzmann
Financial Services Industry - H J.Hess
Food and Beverage Industry - A.Ionescu Somers