UNCEEA (United Nations Committee of Experts on Environmental-Economic Accounting) (2014). System of environmental economic accounting 2012 – central framework, UNCEEA, New York.
UNCEEA (United Nations Committee of Experts on Environmental-Economic Accounting) (2021). System of environmental-economic accounting – ecosystem accounting. Final draft, version 5, UNCEEA, New York.
UNEP & FAO (United Nations Environment Programme & Food and Agriculture Organization of the United Nations) (2021). Principles for ecosystem restoration to guide the United Nations Decade on Restoration 2021–2030, UNEP & FAO, Nairobi, Kenya.
United Nations (2020). UN Decade on Ecosystem Restoration 2021–2030, United Nations Environment Programme, Nairobi, Kenya, https://www.decadeonrestoration.org/.