What should be done about climate change refugees?

What should be done about climate change refugees?
Up to 1 billion people could be displaced by climate change over the next
50 years. But many states, including Canada, prefer not to deal with it.

http://www.thestar.com/news/insight/2013/10/11/what_should_be_done_about...

The multi-island nation of Kiribati is one of the most low-lying on Earth.
One former resident is fighting for refugee status, claiming rising sea levels are making it too dangerous to go home. Above, the uninhabited Kiribati coral atoll known as Nikumaroro Island...more