Sudden shifts in the course of a river on a delta may be predicted

Scientists studying deltas show how they may be able to predict where destructive avulsions– where the flow of water through a delta changes its course – may occur. Many river delta systems are drowning because of rising sea levels. This could push avulsions farther upstream placing more and more communities in jeopardy, making an avulsion predicting tool even more vital.

Cyclone Roanu: Half a million flee in Bangladesh

Cyclone Roanu has pounded coastal areas of Bangladesh, forcing half a million people to flee their homes. It made landfall at noon local time (06:00 GMT) on Saturday, causing floods, landslides and submerging homes.