Published: September 21st, 2023,
Last updated: May 28th, 2025

The UN chief’s invitation was clear: At his Climate Ambition Summit in New York on September 20, 2023, he expected governments, businesses, the financial world, cities and civil society to take „new, tangible, and credible climate action to accelerate the pace of change.“ This „price of admission is non-negotiable,“ António Guterres said when he announced the summit.