Iraq War: 20 years on

On 20 March 2003, US and allied forces invaded Iraq and toppled Saddam Hussein's regime. The US said Iraq had weapons of mass destruction and was a threat to international peace, but most countries refused to support military action against it. We hear from two Iraqi women who've left their country for safety - Balsam Mustafa and Yalda Al-Ani, on what those twenty years have meant for them.

UN chief Antonio Guterres says a major new report on climate change is a "survival guide for humanity". But at a meeting in Switzerland to agree their findings, climate scientists have warned a key global temperature goal will likely be missed. We put listener questions to our Climate Correspondent Justin Rowlatt.

Will Ross, our Africa Regional Editor, talk us through the story of a French journalist and an American aid worker have both been released after being held by Islamist militants.

And we hear voice messages from Finnish people and members of other countries who have been revealed to be in the top ten happiest countries in the World Happiness Report.

(Photo: A soldier papers over a picture of President Saddam Hussein. Credit: Getty Images)