Pollution Causing Global Dimming Pollution levels are raising concern on another front. Suspended particles of pollutants are blocking the sun's rays. That's resulted in something called global dimming.
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Pollution Causing Global Dimming

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Pollution Causing Global Dimming

Pollution Causing Global Dimming

Pollution Causing Global Dimming

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Those concerned about global warming may have something else to worry about — global dimming.

That's when suspended particles of pollution in the atmosphere block the sun's rays, but our commentator says to look on the bright side.