Solar farms reduce dust pollution in China
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In China, solar farms in the Gobi Desert are helping to improve air quality by reducing dust pollution.
Researchers at Nanjing University studied the impact of these large installations on wind patterns and found that they slow winds near the ground. This makes it harder for dust particles to enter the atmosphere, a major problem in northern China during the spring when strong winds lift mineral particles from dry land.
The study revealed that the solar panel arrays act as a shield, stabilizing the soil and altering local weather patterns. Existing solar farms have already increased vegetation cover in the study areas by roughly 17% and decreased soil erodibility by the same amount. China is working to expand solar power in desert regions to meet its 2060 carbon neutrality goals.
Researchers estimate that if this expansion continues as planned, the area covered by solar farms in the Gobi Desert could increase almost elevenfold. This expansion could reduce dust transport by approximately 21% and lower average springtime concentrations of larger dust particles in northern China by nearly 14%.
