- "Investing in Water Stewardship." GreenMoney (March 2022). With Thomas Schumann.
- "Water As an Asset Class Is Here." Project Syndicate, 16 December 2021.
- "How Green is this Debt." ExPro Consulting, 3 December 2021.
- "The Case Against Green Central Banking." Project Syndicate, 26 November 2021.
- "Is Climate Change Solidarity Impossible?" Project Syndicate, 10 February 2020.
- "When Central Banks Go Green." Project Syndicate, 2 January 2020.
- "Managing
the Financial Risks of Climate Change." Global
Perspectives & Solutions Citi GPS Insight, 2 October 2019. With Benjamin Nabarro.
- "Solutions
for the Global Water Crisis -
The End of 'Free and Cheap Water,. Citi GPS: Global
Perspectives & Solutions, April 2017. One of 11 authors
(+ 6 contributors).
- "Energy
2030: Financing A Greener Future; Financing Green Energy in a Low
Fossil Fuel Price World and Managing Stranded Asset Risk."Citi GPS: Global
Perspectives & Solutions, December 2015. As one of 17
Authors, in a supporting role.