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10 vivid maps that show Earth in a new light

By: Bryan Nelson on Dec. 5, 2014, 8:45 a.m.
Population density

Photo: NASA

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Population density

Human population density shows which regions of the world are most strained by human development. It is a key variable for studies of climate change and natural resource consumption and management. This is one map that is not collected via satellite but rather through national population data. It is nevertheless a fascinating factor to consider when looking at other maps: how human population may be driving regional or global trends.