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Jul 18, 2025, 5:31 am192 pts
EHN
Air quality across U.S. national parks has improved since the 1990s, but growing wildfire smoke and shrinking federal budgets threaten to reverse those gains. Niko Kommenda reports for The Washington Post. In short: Air pollution from coal-fired power plants and vehicles has declined, improving visibility in…
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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.
