Robert Ayres, Ecological Economics and Industrial Ecology

• This editorial motivates the special issue.
• It provides a concise history of Robert Ayres’ research.
• In addition, it summarizes the contributions to the special issue.

This editorial motivates the special issue containing articles in honour of professor Robert U. Ayres. A concise history of Robert Ayres’ research is presented, which identifies relevant publications and ideas. In addition, the eight contributions to this special issue are briefly summarized. They provide connections to relevant insights in related fields, namely Ecological Economics and Industrial Ecology, which allows enriching the research on environmental innovation and societal transitions. Most contributions end with clear suggestions for transitions policy.