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    "title": "Ozone Minimum Concentrations, 1979-2022",
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            "description": "Ozone is Earth’s natural sunscreen, shielding life from dangerous solar ultraviolet radiation. Human-produced chemicals in our atmosphere—such as chlorofluorocarbons (CFCs), used for many years as refrigerants and in aerosol spray cans—have depleted the Earth’s ozone layer. Scientists first recognized the potential for harmful effects of CFCs on ozone in the early 1970s. In the 1980s, governments around the world woke up to the destruction of the ozone layer and in 1987 negotiated the Montreal Protocol—an international treaty designed to protect the ozone layer by banning CFCs and similar ozone-depleting chemicals. \r\rSince the mid-1990s, global ozone levels have become relatively stable. In fact, because of the Montreal Protocol, model simulations suggest the size of the hole should return to its pre-1980 levels by about 2075. Here, the globes show ozone data on the day that the minimum ozone concentration was reached over Antarctica, each year from 1979 and 2022. \r<br>Data are from <a href=\"https://ozonewatch.gsfc.nasa.gov/\">ozonewatch.gsfc.nasa.gov</a>",
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                    "employer": "Global Science and Technology, Inc."
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        {
            "id": 31201,
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            "title": "Ozonewatch 2021",
            "description": "Plots showing the size of the ozone hole. || 2021-ozone-all-elements_print.jpg (1024x576) [107.5 KB] || 2021-ozone-all-elements.png (3840x2160) [1.5 MB] || 2021-ozone-all-elements_searchweb.png (320x180) [44.0 KB] || 2021-ozone-all-elements_thm.png (80x40) [4.7 KB] || ",
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            "url": "https://svs.gsfc.nasa.gov/31253/",
            "page_type": "Hyperwall Visual",
            "title": "Ozone Minimum Concentrations, 1979-2023",
            "description": "Here, the globes show ozone data on the day that the minimum ozone concentration was reached over Antarctica, each year from 1979 and 2023. || annual_ozone_min_v2_4k.00001_print.jpg (1024x574) [109.7 KB] || annual_ozone_min_v2_4k.00001_searchweb.png (320x180) [52.9 KB] || annual_ozone_min_v2_4k.00001_thm.png (80x40) [5.0 KB] || annual_ozone_min_v2_1080p30_2.mp4 (1920x1080) [7.5 MB] || annual_ozone_min_v2_1080p30_2.webm (1920x1080) [5.2 MB] || frames/3840x2160_16x9_30p/annual_ozone_min_v2/ (4104x2304) [128.0 KB] || annual_ozone_min_v2_2160p30.mp4 (3840x2160) [18.2 MB] || ",
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            "page_type": "Hyperwall Visual",
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            "description": "Here, the globes show ozone data on the day that the minimum ozone concentration was reached over Antarctica, each year from 1979 and 2016. || annual_ozone_min_v2_daily_1080p.00001_print.jpg (1024x576) [73.7 KB] || annual_ozone_min_v2_daily_1080p.00001_searchweb.png (320x180) [51.6 KB] || annual_ozone_min_v2_daily_1080p.00001_thm.png (80x40) [5.0 KB] || annual_ozone_min_v2_daily_1080p.mp4 (1920x1080) [5.0 MB] || annual_ozone_min_v2_daily_720p.mp4 (1280x720) [2.8 MB] || annual_ozone_min_v2_daily_1080p.webm (1920x1080) [4.5 MB] || annual_ozone_min_v2_daily_2304p.mp4 (4096x2304) [15.0 MB] || frames/4104x2304_16x9_30p/v2/ (4104x2304) [128.0 KB] || ",
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