.BERRYBEAT.

India faces two pressing challenges that seem unrelated at first glance. One is the widespread burning of crop residue by farmers, which causes severe air pollution and health hazards across northern India every year. The other is the country's growing dependence on imported lithium for electric vehicle batteries, a supply chain vulnerable to global tensions. Nishita and Nikita Baliarsingh, twin sisters from Bhubaneswar, Odisha, have found a way to tackle both problems with a