Climate change, poor rainfall, deforestation, overgrazing and crop pests are to blame, say experts.
Tag Archive for: BBC News
"I feel happy and elated… I feel joy," the head of the local teachers' union tells the BBC.
South Africa and Mamelodi Sundowns midfielder Jayden Adams dies at the age of 25, just weeks after featuring for his country at the World Cup.
The government says it was set up with a forged letter of appointment but others say there is more to it.
Kenya's Emmanuel Wanyonyi breaks the 27-year-old men's 1,000m world record at the Diamond League meeting in Monaco, and Julien Alfred runs a stunning 200m.
Prosecutors in the UK authorise charges against Ndodana Mkhanyisi Tshuma.
A new species of sea slug has been named after Cape Verde goalkeeper Vozinha to mark his performance against Spain at the World Cup.
In the footage widely shared in South Africa, King Misuzulu threatens to physically assault his wife and accuses her of cheating.
Watch as the Egyptian football team return to a hero's welcome from their fans.
Morocco fan reflects on their World Cup journey.