The devastating flash floods in Nepal have driven home important lessons of undertaking systematic scientific assessments of glaciers in order to understand and mitigate hazards and to develop a land use policy in the Himalayan region, experts said. Key points and original sources are listed below.

• The devastating flash floods in Nepal have driven home important lessons of undertaking systematic scientific assessments of glaciers in order to understand and mitigate hazards and to develop a land use policy in the Himalayan region, experts said.S1S2