In Rayagada, Bt cotton acreage has risen by 5,200 per cent in 16 years. The result: this biodiversity hotspot, rich in indigenous millets, rice varieties and forest foods, is seeing an alarming ecological shift

“Everybody is doing it. So we are too,” said Rupa Pirikaka, somewhat uncertainly.

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“Southern Odisha was never a traditional cotton-growing area. Its strength lay in multiple cropping,” said Debal Deb “This commercial cotton monoculture has altered the crop diversity, soil structure, household income stability, farmers' independence, and ultimately, food security.” It sounds like an infallible recipe for agrarian distress.

But these factors, especially those relating to changes in land use, plus what all this implies for water and the rivers, and loss of biodiversity – could also be playing themselves into another long-term, large-scale process. We are witnessing the sowing of the seeds of climate change in this region.