2002 Dubuque light pollution

The lights of the Dubuque metropolitan area cast an ominous glow on the night sky over U.S. 20 near Peosta, Iowa, in 2002.

Local officials outlined their steps to reduce light pollution 20 years ago in the Dubuque area.

The efforts aimed to reduce the glow of city lights that at night can obscure views of a starry sky.

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