1. IPCC Climate Change 2021: The Physical Science Basis (eds Masson-Delmotte, V. et al.) (Cambridge Univ. Press, in the press).
2. Nationally Determined Contributions Under the Paris Agreement (UN, 2021); https://unfccc.int/sites/default/files/resource/cma2021_08_adv_1.pdf
3. OECD Climate Finance Provided and Mobilised by Developed Countries: Aggregate Trends Updated with 2019 Data, Climate Finance and the USD 100 Billion Goal (OECD Publishing, 2021); https://doi.org/10.1787/03590fb7-en
4. Roberts, J. et al. Nat. Clim. Chang. 11, 180–182 (2021).
5. US Announces New Finance Pledge for Developing Country Climate Action World Resources Institute https://www.wri.org/news/statement-us-announces-new-finance-pledge-developing-country-climate-action (21 September 2021).