Simon Stiell

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'

With crunch climate talks' scheduled close less than 24 hours away, negotiators are still wrangling over the future of fossil fuels, finance pledges, and climate adaptation goals

Environment minister from small island state pips COP26 President Alok Sharma and UNFCCC's Ovais Sarmad to influential post, where he will take up the reins from Patricia Espinosa