We've all heard about the possibility that the Maldives could go underwater because of rising seas caused by climate change. But there are other nations facing the same risk.
Not that going underwater is the only form of danger: climate change is finding vulnerabilities in countries from Mexico to Russia, droughts in already-arid countries will grow worse, and the number of climate refugees worldwide is growing steadily.
Rainforests are threatened, disease is exacerbated, and hardest hit are poor populations and women around the world.
But, it's still probably fair to say that the greatest threat from climate change faces small island nations that could be washed underwater with just a slight rise in sea levels. Here's a look at a few of those nations.