It’s 70 years since a New Zealand mountaineer and his Nepali-Indian Sherpa mountaineer guide reached the highest point on Earth. There have been celebrations in Nepal in recent days to mark the anniversary. Thousands of people have followed in their footsteps but this climbing season on Mount Everest is drawing international attention for the record number of climbers and the increased deaths on the mountain. James Reynolds hosts conversations that give us an insight into one of the toughest challenges on the planet, as well as the challenges posed by climate change and the overall impact on those who rely on the mountain to earn a living.

Jean Vanier changed Richard and Hazel’s lives. He founded the L’Arche movement – a global network inspired by Christian teaching – where people with and without learning disabilities live together in community. During his life, Vanier was hailed as “a living saint” and “a prophet”. But shortly after his death, a deep and disturbing secret emerged – that Vanier founded L’Arche to hide a mystical sex sect, coercing and abusing at least 25 women, all without disabilities. Richard and Hazel were stunned when they discovered the truth. Now they and 150 L’Arche communities are coming to terms with what has happened.

Russia is supplying the Myanmar military with advanced fighter jets and training their pilots how to use them in a war against their own people. More than two years on from the coup, the country’s military is facing a countrywide armed uprising and their troops are struggling to hold ground and recruit foot-soldiers. So, the strategy is turning increasingly to the air with devastating consequences. BBC’s Asia editor Rebecca Henschke follows those fighting back on the ground and in the air. And meets defectors from the airforce who give exclusive insight into the strategy and psychology behind those operating these deadly machines. (Photo credit: Free Burma Rangers)

For years the people of Evin-Malmaison in north-east France have lived and brought up children in a town which is dangerously polluted. The Metaleurop Foundry attracted workers and their families, it provided life to the area - but it has now killed it with the pollution, which lies deep in the soil. Twenty years after the factory closed, the scale of the scandal has only just emerged, thanks to a new residents campaign. But who will takes responsibility? Marine Hay meets the families here who say they can't live with lead seeping into their water supply, but can't leave because, who would buy their houses?

Alberta is an award-winning Barbadian-Scottish multi-disciplinary artist whose work encompasses drawing, digital collage, film and video installation, sculpture, performance and writing. In this edition of In The Studio, Antonia Quirke follows the progress of a new painting, commissioned specifically for the exhibition. All is going well with the painting, until Alberta realises that it might be upside down.