An odor of oil hung over last year's UN climate conference in Baku, capital of fossil fuel-rich Azerbaijan. 

Starting Monday, the 50,000 participants of COP30 will instead feel the heavy, humid air of the Amazon rainforest in Belem, Brazil, where they face the daunting task of keeping global climate cooperation from collapsing.

Originally published on doc.afp.com, part of the BLOX Digital Content Exchange.