As food and water sources become threatened by changing weather patterns, experts say these are the areas most susceptible to instability and bloodshed.
A new study predicts a steep drop in fisheries' production. It's the latest in a growing body of research to show how changes to the Earth's ecosystems will cause disruption to its inhabitants.
This year's thinner, slushier ice is more vulnerable than the past's thick, multi-year ice, and it melts out rapidly during a spike in temperature or intense cyclonic activity.