Featuring news on issues around the world. Humphrey Hawksley goes to the Democratic Republic of Congo and Uganda to investigate the link between minerals, war and business.
See all episodes from Our World
The BBC's Vladimir Hernandez on Venezuela's failure to get food on people's tables.
The house where the Philippines' forgotten 'comfort women' were held.
Read more from disability correspondent Nikki Fox.
The Ganges is one of the greatest rivers on Earth, but it is slowly being poisoned.