The volume contains eight articles together with comments by twenty authors and discussants on the topic of innovations and sustainability. It provides a competently written, balanced and differentiated state-of-the-art insight into the relation between innovations and sustainability from the perspective of evolutionary economics. The scope of the contributions encompasses the technological, social, organizational, and political dimensions of the topic. Each article is discussed by a competently written commentary providing a critical evaluation and relating it to the relevant literature. Particular interest lies on the issues of steering opportunities and path formation capabilities by decentralized agents, or governmental institutions from the viewpoint of evolutionary economics.

Résumé
In 1999, the German federal ministry of education and research (BMBF) decided to include two new priorities in its environmental research policy portfolio. One was concerning socio-ecological research aiming at a better understandingofthe socialdimensionofthe sustainabilitytriadandthe other onewasoninnovationorientedresearchaiming atabetter understandinghow companies and public authorities can in?uence innovation activities towards the sustainability objectives. The latter priority led to two new programme lines, one targeting at the company level and the other one targeting at the publicpolicylevelundertheheadlineofframeworkconditionsforinnovations towards sustainable development(RIW). The projects funded under the RIW programme were analysing the - tential innovation impact of environmental policy measures on the one hand and the sustainability impact of other policies, such as innovation policy, on the other hand. The design of the RIW programme included in addition an international outreach dimension with the organisation of international c- ferences as well as the establishment of collaboration platforms among the funded projects in order to allow for more general conclusions. The RIW programme followed the BMBF tradition to foster multi- or interdisciplinary cooperation,notablyinvolvingacademicsfromeconomics,policysciences,and law.

Contenu
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 (19602000).- 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.