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Giess4951 t1_j297j7c wrote

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put_the_ux_in_sux t1_j298x1d wrote

The cold air and lack of UV light creates a smog that settles into Appalachia’s Ridge-and-valley region. In winter time, the two largest sources of pollution are heating and traffic.

Harrisburg is only 40 miles from the edges of the DC metro area border.

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