It doesn't change the definition of a refugee. The global compact on safe, orderly and regular migration recognizes that people are on the move for a whole host of reasons, whether it be for economic opportunity, for lack of safe haven due to war and conflict, for fear of persecution based on a whole range of things, or because climate change is real. There are island nations in the South Pacific—
On November 26th, 2018. See this statement in context.