The challenges facing COP28

The Emirati oil tycoon leading COP28 - has denied allegations the host nation sought to strike fossil fuel deals with foreign governments as part of his official COP duties. Sultan Al Jaber says the allegations were an attempt to undermine the work of the COP28 presidency. The annual Conference of the Parties – otherwise known as COP kicks off this week – the gathering of world leaders will decide how to tackle global warming.