Fifty of the world's oil and gas firms, including Australia's Woodside Energy, have pledged to decarbonise their operations as calls for a phase-out grow louder.
Some 2400 people connected to coal, oil and gas have been registered for the two-week COP28 climate summit, which green groups say is four times last year's tally.
After months of negotiations, the United Arab Emirates and Kingdom of Saudi Arabia launched an industry pact that brought more than 40 per cent of global oil production and trillions of tonnes of emissions into the fold.
