Climate change led to the demise of the ancient Indus valley civilisation that flourished in the Himalayan foothills 4,000 years ago The mystery surrounding what killed off the ancient Indus valley civilisation may finally have been solved.
Scientists say that
climate change led to the advanced people's demise by driving them out of their cities, which were among the earliest ever built.
As seasonal rainfall dried up due to global warming, the Indus were forced into villages in the Himalayan foothills 4,000 years ago.
Within the next millennium these isolated village groups died off as their water supply diminished, researchers said.
They warned the find spells trouble for modern groups in the Middle East and Africa forced from their land by climate change.
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