[2] It launched in 2021 before COP26,[3] and improves monitoring, reporting and verification (MRV) of both carbon dioxide and methane.
[13] Developing countries in the Paris Agreement will submit every two years.
[14][15] Some large emitters, such as Iran which has not ratified the agreement, have not submitted a greenhouse gas inventory in the 2020s.
[16] New data was released around the time of the 2022 United Nations Climate Change Conference.
[17] Power plant emissions are tracked by training software with supervised learning to combine satellite imagery with other open data, such as government datasets, OpenStreetMap,[18] and company reports.