Fossil fuels, greenwashing, protests: Here's what happened at Cop28 on Wednesday

People dressed as the Pokemon Pikachu protest fossil fuels at Cop28. 

The UN's Cop28 climate change summit in Dubai is getting down into the weeds of policy negotiations as the lustre of world leaders wears off in recent days. 

On Wednesday, real-time fact-checking rose to the fore around details of what has been agreed in theory and reality.