menu_open Columnists
Mehebub Sahana

Mehebub Sahana

The Conversation

We use cookies to provide some features and experiences in QOSHE

More information  .  Close

Himalayan hazards are becoming more complex. Our warning systems need to catch up

Himalayan hazards are becoming more complex. Our warning systems need to catch up

How do you warn people downstream about fast-moving hazards that can change form and cross borders?

03.09.2026 20

The Conversation

Mehebub Sahana

A dangerous dam‑building race is threatening South Asia’s shared rivers

Bangladesh’s planned Padma Barrage may repeat mistakes made by India when it dammed the Ganges.

29.05.2026 30

The Conversation

Mehebub Sahana

The Ganges River is drying faster than ever – here’s what it means for the region and the world

Climate change and overuse are creating a crisis for South Asia’s most important river.

24.09.2025 30

The Conversation

Mehebub Sahana