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    "title": "Ozone Minimum Concentrations, 1979-2023",
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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.<br><br>Since 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 2023.<br><br>Data are from ozonewatch.gsfc.nasa.gov",
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                        "height": 264,
                        "pixels": 270336
                    }
                }
            ],
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        },
        {
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            "widget": "Basic text",
            "title": "For More Information",
            "caption": "",
            "description": "See [https://ozonewatch.gsfc.nasa.gov/](https://ozonewatch.gsfc.nasa.gov/)",
            "items": [],
            "extra_data": {}
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    "funding_sources": [
        "SMD"
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    "credits": [
        {
            "role": "Animator",
            "people": [
                {
                    "name": "Amy Moran",
                    "employer": "Global Science and Technology, Inc."
                }
            ]
        }
    ],
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    "series": [],
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    "papers": [],
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    "nasa_science_categories": [
        "Earth"
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    "keywords": [
        "Antarctic",
        "Hyperwall",
        "Ozone depletion",
        "Ozone Hole"
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    "related": [
        {
            "id": 31201,
            "url": "https://svs.gsfc.nasa.gov/31201/",
            "page_type": "Hyperwall Visual",
            "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] || ",
            "release_date": "2022-10-26T00:00:00-04:00",
            "update_date": "2023-11-15T00:44:58.012369-05:00",
            "main_image": {
                "id": 397065,
                "url": "https://svs.gsfc.nasa.gov/vis/a030000/a031200/a031201/2021-ozone-all-elements_print.jpg",
                "filename": "2021-ozone-all-elements_print.jpg",
                "media_type": "Image",
                "alt_text": "Plots showing the size of the ozone hole.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
            }
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    ],
    "sources": [],
    "products": [
        {
            "id": 14449,
            "url": "https://svs.gsfc.nasa.gov/14449/",
            "page_type": "Produced Video",
            "title": "2023 Ozone Hole Update",
            "description": "The 2023 Antarctic ozone hole reached its maximum size at 10 million square miles, or 26 million square kilometers, on Sept. 21, which ranks as the 16th largest since 1979, according to annual satellite and balloon-based measurements made by NASA and NOAA. During the peak of the ozone depletion season from Sept. 7 to Oct. 13, the hole averaged 8.9 million square miles (23.1 million square kilometers), approximately the size of North America || ",
            "release_date": "2023-11-01T10:00:00-04:00",
            "update_date": "2023-10-31T13:12:31.880483-04:00",
            "main_image": {
                "id": 860541,
                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014400/a014449/14449_2023_Ozone_Vert.jpg",
                "filename": "14449_2023_Ozone_Vert.jpg",
                "media_type": "Image",
                "alt_text": "This vertical version of the video is for social media. It can be pulled into Instagram Stories and the regular Instagram feed.Universal Production Music: Don't Tell Ivory by Elin Porsinger Complete transcript available.",
                "width": 1080,
                "height": 1920,
                "pixels": 2073600
            }
        }
    ],
    "newer_versions": [],
    "older_versions": [
        {
            "id": 31203,
            "url": "https://svs.gsfc.nasa.gov/31203/",
            "page_type": "Hyperwall Visual",
            "title": "Ozone Minimum Concentrations, 1979-2022",
            "description": "Here, the globes show ozone data on the day that the minimum ozone concentration was reached over Antarctica, each year from 1979 and 2022. || annual_ozone_min_v2_00000_print.jpg (1024x574) [107.9 KB] || annual_ozone_min_v2_00000_searchweb.png (320x180) [50.6 KB] || annual_ozone_min_v2_00000_thm.png (80x40) [5.0 KB] || annual_ozone_min_v2_1080p30_3.mp4 (1920x1080) [7.1 MB] || annual_ozone_min_v2_1080p30_3.webm (1920x1080) [4.7 MB] || annual_ozone_min_v2_2160p30_3.mp4 (3840x2160) [17.4 MB] || frames/3840x2160_16x9_30p/ (4104x2304) [128.0 KB] || ",
            "release_date": "2022-10-28T00:00:00-04:00",
            "update_date": "2023-11-15T00:44:59.740032-05:00",
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                "media_type": "Image",
                "alt_text": "Here, the globes show ozone data on the day that the minimum ozone concentration was reached over Antarctica, each year from 1979 and 2022. ",
                "width": 1024,
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                "pixels": 587776
            }
        }
    ],
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}