G20: Zelensky outlines pathway to end Ukraine conflict

The impact of the war in Ukraine on the world economy has dominated discussions at the G20 summit gathering in Bali. President Widodo of Indonesia opened with an appeal for an end to the fighting, saying it was difficult to move forward until the war was over.

Russia's invasion of Ukraine is also dominating talks at the UN COP27 climate summit in Egypt. Ukraine's environment minister says the war has led directly to emissions of 33 million tons of greenhouse gases that warm the Earth's atmosphere.

And the world's population has passed eight billion, with a billion people added in just eleven years.