Commentary: Environmental Mobility: The Responsibility of the International Community

Tens of millions of people will move or be dislocated by environmental events over the next several decades. Some will be forced from their homes because of disasters; others will choose to leave as they foresee an intolerable future. Departures may be short term-once the waters recede, the rains come, or earthquake-shaken towns rebuild, people will return to their home communities. For many, however, their movement from home may be permanent.