The UN Secretary-General has said that he’s convinced world leaders will adopt an “ambitious” climate deal at a summit which begins in Paris, France on Monday.

Around 150 heads of state and government are expected to participate in the UN Climate Change conference, also known as COP21.

It’s hoped that a universal deal will be agreed to, among other goals, keep global temperature rises below two degrees Celsius.

The UN chief, Ban Ki-moon has made climate change issues a central focus of his tenure in office.

Stephanie Coutrix asked Mr Ban if he was optimistic that a deal would be reached in Paris.

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