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        {
            "id": 11644,
            "url": "https://svs.gsfc.nasa.gov/11644/",
            "page_type": "Produced Video",
            "title": "A Brief History of Ozone",
            "description": "Ozone is a colorless gas mainly found in Earth’s stratosphere. It forms a protective layer that absorbs harmful ultraviolet light from the sun. In 1985, an extreme depletion of ozone over Antarctica was discovered—the so-called Antarctic ozone hole. It soon became clear that this drop in ozone was caused by man-made chemicals called chlorofluorocarbons (CFCs). To help solve the global depletion of ozone, the international community regulated CFC production and consumption by adopting the Montreal Protocol in 1987. Although this and subsequent actions have now effectively banned CFC production and put the ozone layer on a path to recovery, long-lived CFCs in the atmosphere continue to effect ozone levels to this day. Watch the video to see more than 30 years of changes in ozone concentrations over the Southern Hemisphere. || ",
            "release_date": "2014-09-30T11:30:00-04:00",
            "update_date": "2023-05-03T13:50:30.507161-04:00",
            "main_image": {
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                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011600/a011644/c-1024_print.jpg",
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                "media_type": "Image",
                "alt_text": "Explore how Earth’s ozone layer has changed in recent decades.",
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        {
            "id": 11656,
            "url": "https://svs.gsfc.nasa.gov/11656/",
            "page_type": "Produced Video",
            "title": "NASA On Air: Stratospheric Success Story (9/12/2014)",
            "description": "LEAD: Scientists report that the ozone layer is slowly recovering.1. NASA satellite data indicate the layer of ozone molecules in the upper atmosphere is headed slowly back toward normal levels.2. The layer of ozone at high altitudes acts as a natural filter, protecting people from cancer-causing UV-B from the sun.TAG: Scientists attribute the rebound to the 1980s ban of CFC aerosol gases. || WC_Stratosphere-1920-MASTER_iPad_1920x0180_print.jpg (1024x576) [79.2 KB] || WC_Stratosphere-1920-MASTER_iPad_1920x0180.00877_print.jpg (1024x576) [79.2 KB] || WC_Stratosphere-1920-MASTER_iPad_1920x0180_searchweb.png (320x180) [54.0 KB] || WC_Stratosphere-1920-MASTER_iPad_1920x0180_web.png (320x180) [54.0 KB] || WC_Stratosphere-1920-MASTER_iPad_1920x0180_thm.png (80x40) [5.5 KB] || WC_Stratosphere-1920-MASTER_1920x1080.mov (1920x1080) [448.7 MB] || WC_Stratosphere-1920-MASTER_1280x720.mov (1280x720) [553.2 MB] || WC_Stratosphere-1920-MASTER_NBC_Today.mov (1920x1080) [32.7 MB] || WC_Stratosphere-1920-MASTER_WEA_CEN.wmv (1280x720) [6.1 MB] || SSS_1080.avi (1280x720) [7.9 MB] || WC_Stratosphere-1920-MASTER_baron.mp4 (1920x1080) [20.2 MB] || WC_Stratosphere-1920-MASTER_prores.mov (1920x1080) [491.6 MB] || WC_Stratosphere-1920-MASTER_iPad_960x540.m4v (960x540) [11.8 MB] || WC_Stratosphere-1920-MASTER_iPad_1280x720.m4v (1280x720) [18.1 MB] || WC_Stratosphere-1920-MASTER_iPad_1920x0180.m4v (1920x1080) [32.2 MB] || WC_Stratosphere-1920-MASTER_iPad_960x540.webmhd.webm (960x540) [1.7 MB] || ",
            "release_date": "2014-09-12T13:00:00-04:00",
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                "filename": "WC_Stratosphere-1920-MASTER_iPad_1920x0180_print.jpg",
                "media_type": "Image",
                "alt_text": "LEAD: Scientists report that the ozone layer is slowly recovering.\r1. NASA satellite data indicate the layer of ozone molecules in the upper atmosphere is headed slowly back toward normal levels.\r2. The layer of ozone at high altitudes acts as a natural filter, protecting people from cancer-causing UV-B from the sun.\rTAG: Scientists attribute the rebound to the 1980s ban of CFC aerosol gases. \r",
                "width": 1024,
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    "newer_versions": [
        {
            "id": 30889,
            "url": "https://svs.gsfc.nasa.gov/30889/",
            "page_type": "Hyperwall Visual",
            "title": "Ozone Minimum Concentrations, 1979-2018",
            "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] || v2 (4104x2304) [0 Item(s)] || ",
            "release_date": "2017-08-09T10:00:00-04:00",
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                "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 2016. \r",
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                "pixels": 589824
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