0 someone who is forced to leave their home country or area because climate change has made it impossible for them to continue to live or work there:
Many Bangladeshis have migrated from rural areas to the capital as "climate refugees," driven out by floods and cyclones.
The agency estimates that one third of a billion people are already living as climate refugees.
In Botswana, moving sand dunes could wipe out agriculture and drive tens of millions of climate refugees out of the area.
Water shortages, droughts, floods, crop failures and famine will create waves of climate refugees.
