Efforts to strike a new global agreement on climate action will go down to the wire, as tense negotiations drag late into the night in Dubai and parties seek a last-minute deal.

Talks at the United Nations COP 28 summit have been drawn-out after a draft statement failed to mention a phase out of fossil fuels, which was described by Pacific countries as their "death warrant".

Guest: Professor Howard Bamsey, ANU; former AustralianClimate envoy, a former UN climate fund chief