Simon Stiell

Despite some bright spots UN climate chief admits interim climate talks in Bonn 'struggled' to deliver progress on key issues such as climate finance and adaptation ahead of COP30 Summit

Climate adaptation, national action plans, finance roadmaps, and budget concerns top the agenda, as latest negotiations aim to lay groundwork for crucial COP30 Climate Summit in Brazil this autumn

Simon Stiell urges governments to deliver bold national climate action plans that can provide "an antidote to economic uncertainty"

António Guterres again urges all nations to step up to the plate with more climate finance and ambitious decarbonisation plans ahead of the COP30 Climate Summit in Brazil

UNFCCC executive secretary Simon Stiell describes climate action as 'a money-making opportunity too big to ignore' in first major speech of a crucial year for climate diplomacy

UNFCCC executive secretary Simon Stiell insists only path to climate safety lies through the Paris Agreement process as crunch talks begin in Azerbaijan

UNFCCC Executive Secretary Simon Stiell warns negotiators 'cannot afford' to reach COP29 without having made tangible progress on post-2025 goal for climate finance

Simon Stiell acknowledges warning may sound 'melodramatic', but insists time is running out to avoid catastrophic climate impacts

Next round of five-year climate plans will be 'most important climate documents produced so far this century’, Simon Stiell warns

Simon Stiell delivers speech in Baku calling for new agreements on climate finance and urging governments to stop 'hiding behind loopholes in decision texts'