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 September deadline due to geopolitical and trade tensions distracting from climate action.
Many others have missed even the latest September deadline, amid geopolitical and trade tensions that have distracted from climate action.
Brazil's early update of its NDCs highlights the country's commitment to addressing climate change.
Author's summary: Brazil frustrated with delays.