We track four people on their journey.
What's the cost of South Korea's drinking culture?
From Soweto to London, young developers around the world are working on applications for social good.
25 Dec 2013 10:52 GMT
Can a Namibian tech entrepreneur enhance the lives of nomadic Himba people through his app?
18 Dec 2013 08:31 GMT
Will a software designer be able to create an app that can transform the lives of millions of India's poorest farmers?
11 Dec 2013 13:41 GMT
Can a Brazilian digital design student develop an app that could benefit those living in some of Rio's largest favelas?
04 Dec 2013 07:28 GMT
Many of the world's most talented computer programmers are trying to deliver social change through technology.
28 Nov 2013 15:50 GMT
The series filmmaker asks whether the global communications revolution can serve the poor and marginalised.
28 Nov 2013 15:46 GMT
Can a Nairobi-based software developer create a mobile phone app to help Kenya's hard-pressed subsistence farmers?
27 Nov 2013 08:52 GMT
Conservationists are in a desperate and uphill battle to save India's tigers from extinction.
Former classmates separated during Iraq's invasion of Kuwait in 1990 reunite decades later.
We follow a Sesame Street composer as he learns how his music has been used to torture detainees at Guantanamo Bay.
South Koreans drink twice as much liquor as Russians, but is this national obsession with alcohol reversible?
Health, Asia, South Korea
How improving relations between communist Cuba and the capitalist US will change the lives of people on both sides.
Politics, United States, Cuba
Mayotte is a magnet for Comoros islanders who risk their lives crossing hazardous seas in search of a better life.
Poverty & Development, France, Refugees
A three-part series looking at the history of France's black community and their long struggle for recognition.
Politics, US & Canada, France