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?

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EDITOR'S NOTE: This story is part of an ongoing series answering some of the most fundamental questions arou...