Gangs are using home-made submarines to smuggle cocaine into Spain. Can they be stopped?

As the world's largest exporter of corn and soy, Brazil is an agricultural powerhouse, yet just one per cent of the population owns almost half the land. The uneven distribution of land is felt hardest by the country's working poor, and despite its natural riches, over a quarter of Brazil's households are considered food insecure. In a nation with a history of land disputes turning deadly, reporter Symeon Brown tracks down communist activists who are taking land from the rich to give to the poor as well as a landowner and founding member of a movement intent on defending private property

Madeeha Syed heads to Pakistan to meet the young female hip-hop artists trying to thrive in what were once Karachi's most deadly neighbourhoods. A generation of young rappers are turning away from the gangs, capitalising on the area's relative calm. However, embracing western-inspired music isn't without its risks as many performers have to juggle the politics of their conservative neighbourhood, the requirements of family and religious opposition to their chosen profession

The war on drugs has put thousands of Mexicans behind bars without trial. From police night patrols to high-security jails, a look at the suspects stuck in legal limbo.

Beyond the bright lights of Las Vegas there's a homelessness crisis going on, as thousands of the city's residents seek refuge in risky, drug-riddled underground tunnels.