Reading Time: 2 minutesHaiti is struggling to rebuild after the January 2010 earthquake and to cope with a cholera epidemic.
Reading Time: 2 minutesThe ozone layer protects against skin cancer, but the gas is destroyed by reactions with industrial chemicals.
Reading Time: 4 minutesDespite efforts by Tokyo Electric Power Companys (Tepco) engineers, the Self-Defence Forces, police and firemen, conditions there appear to have grown steadily worse.
Reading Time: 2 minutesTepco shares have lost more than 80% of their value since the quake struck.
Reading Time: 2 minutesAlassane Ouattaras spokesman said his troops had overrun the home of Laurent Gbagbo, who refuses to step down, though his whereabouts are unclear.
Reading Time: < 1 minuteWikipedia said it had more than 3.5m page views for cancer-related content in January 2011.
Reading Time: < 1 minuteThe earthquake and tsunami that hit Japan on 11 March have lead to rolling power blackouts and a nuclear crisis.
Reading Time: 2 minutesMeanwhile, the plants operator, Tepco, says it has no choice but to dump 11,500 tonnes of much less contaminated water at sea from...
Reading Time: 3 minutesMisrata, the only city in the west still controlled by the rebels, has been under siege by forces loyal to Col Muammar Gaddafi...
Reading Time: 2 minutesAfter first calling the election off until Monday, officials further delayed it until next weekend.