1. Sustainable Development as Symbolic Commitment: Declaratory Politics and the Seductive Appeal of Ecological Modernisation in the European Union;The Politics of Unsustainability: Eco Politics in the Post-Ecologist Era,2008
2. Eco-Politics beyond the Paradigm of Sustainability: A Conceptual Framework and Research Agenda;The Politics of Unsustainability: Eco Politics in the Post-Ecologist Era,2008