1. Deadline 2020: How Cities will get the Job Done (C40/ARUP, 2016).
2. 343 US Climate Mayors commit to adopt, honor and uphold Paris climate agreement goals. Medium (1 June 2017).
3. We Are Still In (WWF/Ceres, 2017);
http://go.nature.com/2txjEru
4. Ryan, J. Cities shop for $10 billion of electric cars to defy Trump. Bloomberg (14 March 2017).
5. Livsey, A. City halls and landmarks turn green in support of Paris climate deal. Guardian (2 June 2017).