The United Nations says that the world will miss its chance to reduce the impact of global warming without an immediate and all-but-impossible fall in fossil fuel emissions.

The world body says that even taking into account current Paris Agreement pledges, the world is on track for a 3.2C temperature rise, something scientists fear could tear at the fabric of society.

The World Meterological Organisation said on Monday that atmospheric greenhouse gas concentrations hit an all-time record in 2018.