The COP30 conference next week marks three decades since global climate negotiations began. Photo: AP PHOTO

Dozens of country leaders are gathering in Brazil's Amazon city of Belem for the annual UN summit on climate change, hoping to advance progress despite growing concerns that multilateral co-operation is on the brink.

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The COP30 conference marks three decades since global climate negotiations began.

In that time, countries have curbed the projected climb in emissions somewhat - but not enough to prevent what scientists consider extreme global warming in the next few decades.

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