The hill districts in the Chittagong region in Bangladesh have seen a large-scale switch from the traditional shifting agriculture, or jhum, to more profitable cash crop cultivation in recent years.
Unseasonal rains, pest outbreaks and land degradation are driving crop losses in India, while toxins, poor grain quality and delayed harvests threaten health and incomes.
Indonesia has revoked the permits of 28 companies after a post–Cyclone Senyar audit found environmental violations that authorities say worsened deadly floods and landslides in Sumatra in late 2025, which killed about 1,200 people.