'Climate change, the green economy and reimagining the city: the case of structurally disadvantaged European maritime port cities', with Andrew Jonas, Rudiger Wurzel and Winfried Osthorst, Die Erde - Journal of the Geographical Society of Berlin (2018)
'The European Citizens’ Initiative as Democratic Legitimacy-Enhancing Tool: Towards a Broader Conceptualization', with Karolina Boronska-Hryniewiecka, in Democratic Legitimacy in the European Union and Global Governance, Beatriz de las Heras (ed), Palgrave, pp 41-63 (2017)
'Environmental NGOs; Pushing for Leadership', with Rudiger Wurzel and James Connelly, in The European Union in International Climate Change Politics.Still Taking a Lead?, Rudiger Wurzel, James Connelly and Duncan Liefferink (eds), Palgrave, pp 221-36 (2017)
‘Assessing Participation and Democracy in the EU: The Case of the European Citizens’ Initiative’, Perspectives on European Politics and Society, Vol. 13 (3) (2012)
‘A Nascent Transnational Civil Society’, in European Disunion: Between Sovereignty and Solidarity, J. Hayward and R. Wurzel (eds), Basingstoke: Palgrave Macmillan, pp 32-47, ISBN 978-0-2303-6773-9 (2012)