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.
Brazil greats including Romario and Dunga take on local team in game organized by Chechnya's colourful head Ramzan Kadyrov.
Russian forces tighten security after a cable car explosion and an attack on a minibus by Islamist guerrillas in troubled North Causasus, near the popular Elbrus mountain ski destination.
An estimated 120 Chinese alligators are thought to be left in the wild because of wetlands reclamation since the 1950s.
Susan Schulman, a photojournalist who was embedded with Unamid peacekeepers in northern Darfur last year, recalls the day their convoy was shot at by suspected government soldiers.
Moving back to Athens in 2003, I found a society living in denial. Greeks were skimming the cream off the last rounds of EU subsidies oblivious to the tidal wave of globalisation looming over them.