The purpose of this side event is to highlight the importance of Ecosystem Accounting toward achieving sustainable development and the critical role that earth observation plays in supporting accounts. The session will also explore the contribution of System of Environmental Economic Accounting (SEEA) to sustainable development. The session will focus on earth observation as an enabling factor for ecosystem accounting and will showcase examples of ecosystem accounts from both developed and developing nations. The session will highlight the latest developments from the UN SEEA’s revision of the ecosystem accounts and how the earth observation community via EO4EA can better support via a results-oriented GEOSS.