A new study published in the Proceedings of the National Academy of Sciences reveals that catastrophic droughts—unlike anything observed in the last 150 years—have been a regular occurrence within the Indian subcontinent throughout the last 1,000 years. The troubling new data indicates that the region’s current rainfall predictability could give way to decades-long drought, posing an enormous potential threat to human life if no mitigating measures are taken. California State University, Dominguez Hills Professor of Earth Science Ashish Sinha was a lead author on the study, working alongside an international team of researchers to develop the new record. The team analyzed oxygen isotopes in stalagmites from the Mawmluh cave, near the town of Cherrapunji in the state of Meghalaya—on...
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