Climate Questions: Who is most vulnerable to climate change?

Most of the world’s population has been affected in some way by climate change — 85% of the world, in fact. But the effects of climate change haven’t been equally felt by all. Some communities have seen a slight rise in temperature here and there, but others have had their entire communities wiped out. As the rise of global temperatures and sea-level continues to affect the world with increasingly frequency and intensity, who are the most vulnerable to the effects of climate change?