Climate change will fundamentally affect the lives of millions of people who may be forced to leave their villages and cities to seek refuge in other areas over the course of this century. Even though most climate migrants will move within their own country,1 many might also migrate across international borders. So far, several initiatives have been put in place to strengthen soft law mechanisms to protect those displaced due to natural disasters and climate change, such as the ‘Nansen Initiative on cross-border displacement in the context of disasters and the effects of climate change’