New Approaches to Environmental Innovation Policy.- Windows of Opportunity for Radical Technological Change in Steel Production and the Influence of CO2 Taxes.- Comment: Approaches to the Modelling of Innovations for Sustainable Economic Systems.- Environmental Innovation Policy. Is Steering Innovation Processes Possible?.- Comment: Moderating Instead of Steering?.- Transition Management in the Electronics Industry Innovation System: Systems Innovation Towards Sustainability Needs a New Governance Portfolio.- An Example of a “Managed Transition”: The Transformation of the Waste Management Subsystem in the Netherlands (1960–2000).- Comment: Management of Industrial Transformation: Potentials and Limits from a Political Science Perspective.- Innovations and Sustainability.- Leading Innovations to Sustainable Future Markets.- Comment: Sustainable Future Markets and the Formation of Innovation Processes.- Directional Certainty in Sustainability-Oriented Innovation Management.- Comment: Innovation Ability and Innovation Direction.- Arrangements in Society and Economy Towards Sustainability.- Deceleration — Revealed Preference in Society and Win-Win-Strategy for Sustainable Management. Concepts and Experimental Evidence.- Comment: Deceleration as a New Paradigm of Economic Science?.- Assessment Criteria for a Sustainability Impact Assessment in Europe.- Comment: Regulatory Choice and Responsive Regulation for Sustainability.