Have a look at the term "environmentally displaced person" in the EMN Asylum and Migration Glossary
The European Migration Network (EMN) Glossary is an essential resource, which offers an EU-wide multidisciplinary vocabulary of approximately 500 terms and concepts related to asylum and migration. Let's focus today on the term "environmentally displaced person" to make sure we have a common understanding and use of the term!
The term "environmentally displaced person" which is used in the recent EMN Inform on Displacement and migration related to disasters, climate change and environmental degradation, is defined in the EU context as:
A person subject to forced migration as a result of sudden, drastic environmental changes.
If you are interested in other terms, please check out the online version here.