Decline
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US Air Pollution Emissions Decline, But Some Groups Benefit More Than Others
Over the last decades, air pollution emissions have decreased substantially; however, the magnitude of the change varies by demographics. Find out more here.
Latest Research Articles
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Lake Tahoe’s Clarity Is Improving After Decades of Decline: How Scientists and Conservationists Made It Happen
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Ancient Species Australian Eucalyptus in Rapid Decline Following Severe Droughts, Climate Change
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How Labyrinthine Shape in Lake Saimaa Helps Save Endangered Saimaa Ringed Seal From Population Decline
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US Honeybees Suffer, Numbers Drop More Than 40 Percent
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Massive Mississippi Floods May Have Wiped Out Ancient Civilization
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Bumblebees Fitted with Backpacks to Track Decline
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Caribbean Coral Reefs Declining at Alarming Rates