What do invisible gases, vintage hairspray, and satellites have in common? They all played a role in one of the greatest environmental comebacks in history. Seen from 225 miles above, the Gulf Coast glows like a constellation—clusters of light scattered across the dark. But what truly makes this view possible can"t be seen: the ozone layer, silently shielding everything below from the sun"s ultraviolet rays. By the 1980s, that shield was thinning fast—damaged by chemicals once used in refrigeration and aerosol products. The solution? A global pact. The Montreal Protocol, signed in 1987, led to a swift phase-out of ozone-depleting substances. Today, satellites show that the hole over Antarctica is shrinking. Scientists believe it could be fully healed by mid-century.
Nighttime view over the Gulf Coast
Today in History
More Desktop Wallpapers:
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World Penguin Day
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Flowers by the sea
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Happy birthday to Crater Lake National Park
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Chestnut-headed bee-eaters, Bardia National Park, Nepal
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Ravens
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Wild turkeys in repose
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A seabird gets schooled
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Minnesota State Capitol in St. Paul, Minnesota
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Fall for Chile
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Patriot Day
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Happy Hobbit Day
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Hohenzollern Castle near Stuttgart, Germany
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National Roller Coaster Day
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Remembering Krakatoa
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Penguin Awareness Day
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Nature Photography Day
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The wild heart of Tasmania
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The call of the wild in Alaska
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Mont-Saint-Michel
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Golling Waterfall, Salzburg, Austria
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Brocken spectre in Central Balkan National Park, Bulgaria
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High alpine color in Colorado
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Great Sand Dunes National Park and Preserve
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It s Census Day—make it count
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On the hunt
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The Monastery of Roussanou, Greece
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National Fossil Day
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Wake up, it s Darwin Day
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Glacier cave in Iceland
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International Day of Peace
Bing Wallpaper Gallery

