climigration
n.— «“Climigration” refers to the forced and permanent migration of communities because of severe climate change effects on essential infrastructure. This differs from migration caused by catastrophic environmental events such as hurricanes and earthquakes. The concept of “climigration” implies that there is no possibility of these communities returning home, said Alaskan human rights lawyer Robin Bronen, who coined the term.» —“‘Climate change’ forces Eskimos to abandon village” by Azadeh Ansari CNN.com Apr. 24, 2009. (source: Double-Tongued Dictionary)