Climate negotiators have started work on implementing the Paris Agreement on global warming amid uncertainty over how the US election will impact the landmark deal as temperatures and greenhouse gases soar to new heights.

Negotiators have reached a watered-down deal at UN talks in Peru that sets the stage for a global climate pact in Paris next year.

Negotiators have reached a watered-down deal at UN talks in Peru that sets the stage for a global climate pact in Paris next year.