A deal on finance for the poor and vulnerable is the core focus at Cop29, and campaigners have expressed frustration at the slow progress. Bowen said the finance goal needed to cover what he called “the big three” issues: the quantum,

The plea, made in a letter to G20 leaders from top U.N. climate official Simon Stiell, comes as negotiators at the COP29 conference in Baku struggle for a deal intended to scale up money to address the worsening impacts of global warming.

With negotiations on climate finance in Baku at a standstill, leaders are turning to the G20 meeting in Brazil for a breakthrough .