Air pollution danger areas mapped by NASA

Air pollution is a global problem, but it is not evenly distributed. Some areas are worse than others, of course. And air pollution can cause premature death from the diseases it can cause. Earth scientists studying air pollution have just released a map that shows air pollution deaths over time on a global scale. The stark map shown above was created at NASA Earth Observatory by data visualizer and designer Robert Simmon. This atmospheric computer model shows the average number of deaths per 386 square miles per year due to air pollution between 1850 and 2000. It’s based on data from Jason West, an assistant professor of environmental sciences and engineering at University of North Carolina. He and his colleagues published their findings earlier this year in Environmental Research Letters.
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