Britain’s Prime Minister Andy Burnham gives a speech during a reception at 10 Downing Street, London, Monday Sept. 21, 2026,
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Africa dramatically dried out 5,500 years ago – our new study may warn us of future climate tipping points
Capitano Footage / shutterstock Around five and half millenia ago, northern Africa went through a dramatic transformation. The Sahara desert expanded and grasslands, forests and…