BAKU, Azerbaijan Participants stressed the critical stage of global warming on day one of the 29th UN Climate Change Conference (COP29) in Azerbaijan’s capital Baku on Monday. Opening the summit, United Arab Emirates climate change special envoy Sultan Ahmed al-Jaber highlighted the need for global unity on climate action. Mukhtar Babayev, COP29 president and Azerbaijani minister of ecology and natural resources, acknowledged that negotiations, especially on climate finance, would be "complex