Pollution regulations to reduce dirty air have saved 1.5 BILLION birds in the US over 40 years

Efforts to curb ozone emissions that produce pollution have saved more than a billion sparrows, finches and other small migratory birds in the US over the past few decades, study reveals.

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Pollution regulations to reduce dirty air have saved 1.5 BILLION birds in the US over 40 years Pollution regulations to reduce dirty air have saved 1.5 BILLION birds in the US over 40 years Reviewed by Unknown on November 25, 2020 Rating: 5

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