What can be a significant consequence of climate change on human communities?

Altered migration patterns are indeed a significant consequence of climate change on human communities. As climate conditions shift—due to rising temperatures, changing precipitation patterns, and increased frequency of extreme weather events—habitats that were once suitable for human habitation or agricultural practices may become uninhabitable or less productive.

This prompts individuals and communities to migrate in search of more favorable living conditions, whether that's moving away from coastal areas threatened by rising sea levels or transitioning from drought-affected regions to places with more reliable water resources. Such migrations can lead to demographic shifts within communities, affecting social structures, economic conditions, and the overall resilience of populations facing climate impacts.

The other potential consequences listed do not accurately reflect the realities of climate change. For instance, economies are more likely to become unstable due to the unpredictable effects of climate change rather than more stable. Similarly, consistent global temperatures are counter to the very nature of climate change, which is characterized by variability and extremes. Lastly, diets may become less diverse in certain regions, but this does not capture the direct impact of migration patterns stemming from climate effects, which is a more prominent and observable consequence.