Photojournalist Sean Gallagher talks about climate change and environmental degradation on the Tibetan Plateau.
An initiative allowing the provenance of medicines to be verified using mobile technology is taking aim at the illegal drug trade. Too tall a task?
Last November, hundreds of women and children were raped in Minova, on the shores of Lake Kivu, by soldiers from the Congolese national army.
As the G8 discusses sexual violence in the Democratic Republic of Congo, perpetrators and victims speak out about mass rape in Minova.
Health workers in India are overcoming cultural mistrust about polio immunization by turning to local Muslim clerics for support.
Powerful supporters in security forces accused of complicity in brutal attacks by militia in Democratic Republic of the Congo.
A vast influx of Western medicine has unleashed an unregulated free-for-all in private dispensaries, critics say.
China is suspected as the source of counterfeit drugs that are holding back the fight against malaria in Africa.
Malaria is one of the diseases affected by unscrupulous traders in fake and substandard drugs.
Developing the wealth of natural resources beneath Haiti's soil may not improve the fortunes of the impoverished people who live on it.
With urban populations increasing, Lake Titicaca is being polluted with waste from booming cities in Peru and Bolivia.
South America's most famous lake is being polluted by increasing levels of waste from fast-growing cities, according to locals, environmentalists and politicians.