Kathmandu, Nov. 22 -- Most research about climate impact in the Himalaya deals with receding snowlines and retreating glaciers. A lot less is known about how farmers are managing with too much - or too little - water due to the changing climate.

Irregular monsoons and extreme rainfall have made floods more destructive in recent years, and the Tarai plains where more than half of Nepalis live is the worst affected area. Rivers here are changing course more frequently, submerging paddy fields and washing away homes.

Disastrous floods in Sunsari (2008), Bardia and Surkhet (2014), Saptari and Rautahat (2017) and in eastern Nepal earlier this year killed hundreds of people and caused colossal damage. Damage from floods caused by extreme weathe...