COP25: Negotiators burn midnight oil to keep UN climate talks alive

This summit has revealed a wide gulf between demands for action by an increasingly vociferous global climate activism movement and inertia in major economies

Negotiators worked into the early hours of Sunday to try to salvage a strong global commitment to fight climate change after some of the most vulnerable nations said they were being sidelined at a marathon UN summit in Madrid.

Talks were scheduled to conclude on Friday but lurched into a second extra day as major economies and smaller states struggled to resolve outstanding issues under the 2015 Paris Agreement to tackle global warming.

Kevin Conrad, Papua New Guinea's climate envoy, told delegates the talks had to be "open and transparent," echoing concerns expressed by some other developing countries that their voices were