Brazil, set to host the United Nations climate summit in Belem in November, was among the first to update its NDCs a year ago.
However, many countries have missed the latest September deadline due to geopolitical and trade tensions distracting from climate action.
Brazil was among the first to update its NDCs a year ago.
The delays have caused frustration, particularly as Brazil prepares to host the climate summit.
Author's summary: Brazil frustrated with delays.