TALKING MIGRATION DATA: What do we know about data on environmental migration?

Disaster displacement forces millions of people away from their homes every year. Many more move in the context of environmental changes. Estimating the number of people affected remains a challenge for the international community. Atle Solberg, Head of the Platform on Disaster Displacement, and Francois Gemenne, specialist of environmental geopolitics and migration dynamics, share their views on this topic.