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Jan 27, 2022, 5:00 am124 pts
Yale e360
Once known as the “City of Smoke,” Pittsburgh has come a long way since the days when filthy air turned downtown streets dark at mid-day. But in struggling communities near the remaining steel plants, high levels of air pollution — and the resulting health hazards — persist. Read more on E360 →
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.
Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.
