Climate talks in Baku ended with a mix of urgency and delay, progress and frustration. But finance deal could be a game-changer.

When COP29 President Mukhtar Babayev stepped to the podium at the closing meeting of the Baku climate summit on Sunday morning, hoping to clinch a hard-fought agreement on global climate finance, he carried with him two speeches.

The cost of borrowing money can be up to seven times higher for developing countries than the US and Europe. This is because lenders see poorer countries as riskier places to invest, given their perceptions of political instability or low credit ratings. This arrangement entrenches inequality.