India, April 26 -- Among the most urgent knock-on effects of climate stress is the growing wave of human migration, first internal, then potentially international.

NEW DELHI: South Asia is confronting a new class of security threats-those driven by climate change. In the BIMSTEC countries (Bangladesh, Bhutan, India, Myanmar, Nepal, Sri Lanka, and Thailand), rising seas, erratic weather patterns, and ecological degradation are no longer merely environmental concerns; they have become accelerators of instability. Major urban centres like Dhaka, Kolkata, Yangon, and Bangkok are among the most at-risk globally. Among the most urgent knock-on effects of climate stress is the growing wave of human migration-first internal, then potentially int...