BBC: Global food markets could be disrupted by the El Nino event predicted for later this year.
A strong El Nino is likely to increase prices of staple foods such as rice, coffee, sugar and cocoa, say scientists.
Forecasters agree that the El Nino effect, which can drive droughts and flooding, is under way in the tropical Pacific.
But they say it is too early to say how severe it will be.
Reduced rainfall could be felt in India and West Africa as early as June, say scientists.
"Most El...