Air pollution takes a toll on solar energy
Tiny particles in the air and deposited on panels can block sunlight
![Shanghai in October 2015](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/09/080717_LH_air-pollution_main_free.jpg?fit=860%2C460&ssl=1)
SMOG FOG By blocking sunlight and dirtying solar panels, air pollution — as in this image of Shanghai on October 12, 2015 — can hamper the production of solar energy.
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