Refrigeration and air conditioning are among the largest sources of carbon, and the refrigerants we use are greenhouse gases, too. But green refrigerants are on the way, from elastocaloric cooling to a method a bit like salting an icy road.
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Sources:
https://iopscience.iop.org/article/10.1088/1742-6596/1599/1/012001/pdf
https://iopscience.iop.org/article/10.1088/1361-6463/50/5/053002
https://www.sciencedirect.com/science/article/abs/pii/S0017931021004750
https://www.science.org/doi/10.1126/science.ade1696
Image Sources:
https://www.gettyimages.com/detail/video/two-central-air-conditioning-units-from-above-stock-footage/545053574?adppopup=true
https://www.gettyimages.com/detail/photo/various-products-in-a-supermarket-royalty-free-image/1416618595?phrase=refrigeration&adppopup=true
https://www.gettyimages.com/detail/video/cooling-fans-at-the-plant-aerial-view-cooling-system-in-stock-footage/1389021091?adppopup=true
https://www.gettyimages.com/detail/photo/metal-refrigerant-gas-tanks-in-store-royalty-free-image/1417432365?phrase=refrigerant&adppopup=true
https://www.gettyimages.com/detail/illustration/the-three-fundamental-states-of-matter-royalty-free-illustration/589422354?phrase=heat%20molecules&adppopup=true
https://www.gettyimages.com/detail/video/different-states-of-matter-solid-liquid-gas-3d-motion-stock-footage/1142773095?adppopup=true
https://www.gettyimages.com/detail/video/open-refrigerator-filled-with-food-stock-footage/1008485276?adppopup=true
https://www.gettyimages.com/detail/photo/summer-vacations-at-home-and-hot-weather-royalty-free-image/1344258259?phrase=hot%20apartment&adppopup=true
https://www.gettyimages.com/detail/illustration/refrigerator-working-principle-how-does-a-royalty-free-illustration/1477578352?phrase=chlorofluorocarbons&adppopup=true
https://www.gettyimages.com/detail/photo/model-royalty-free-image/183381086?phrase=freon&adppopup=true
https://www.gettyimages.com/detail/illustration/the-ozone-layer-hole-royalty-free-illustration/1364099073?phrase=ozone&adppopup=true
https://www.gettyimages.com/detail/video/flyover-france-england-and-northern-ireland-view-from-stock-footage/637663752?adppopup=true
https://www.gettyimages.com/detail/illustration/greenhouse-gases-carbon-dioxide-methane-royalty-free-illustration/1385690821?phrase=greenhouse%20gas&adppopup=true
https://www.gettyimages.com/detail/photo/group-of-colorful-freon-tanks-royalty-free-image/1425567195?phrase=refrigerant&adppopup=true
https://www.gettyimages.com/detail/illustration/carnot-cycle-vector-illustration-labeled-royalty-free-illustration/1220696143?phrase=Carnot%20cycle&adppopup=true
https://www.gettyimages.com/detail/photo/antique-retro-fridge-in-kitchen-with-brick-wall-royalty-free-image/1271377712?phrase=old%20refrigerator&adppopup=true
https://commons.wikimedia.org/wiki/File:Holmium_shards.jpg
https://commons.wikimedia.org/wiki/File:Shape_Memory_Effect_Animation.ogv
https://www.gettyimages.com/detail/photo/freezing-zero-degree-cold-royalty-free-image/528341519?phrase=zero%20degrees&adppopup=true
https://www.gettyimages.com/detail/photo/snow-plow-salting-street-in-winter-time-orange-royalty-free-image/1222260595?phrase=road%20salt&adppopup=true
https://www.gettyimages.com/detail/video/melting-snow-melting-ice-spring-water-spring-time-stock-footage/528147348?adppopup=true
https://www.gettyimages.com/detail/photo/ice-surface-royalty-free-image/157444397?phrase=ice&adppopup=true
https://www.gettyimages.com/detail/video/frozen-pattern-cover-the-dark-background-from-left-to-stock-footage/654675220?adppopup=true
https://www.gettyimages.com/detail/photo/woman-looking-at-food-in-refrigerator-royalty-free-image/1368036755?phrase=refrigerator&adppopup=true
https://www.gettyimages.com/detail/photo/model-royalty-free-image/183386936
https://www.gettyimages.com/detail/photo/model-royalty-free-image/183387896
Hosted by: Reid Reimers (he/him)
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Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
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Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer
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Sources:
https://iopscience.iop.org/article/10.1088/1742-6596/1599/1/012001/pdf
https://iopscience.iop.org/article/10.1088/1361-6463/50/5/053002
https://www.sciencedirect.com/science/article/abs/pii/S0017931021004750
https://www.science.org/doi/10.1126/science.ade1696
Image Sources:
https://www.gettyimages.com/detail/video/two-central-air-conditioning-units-from-above-stock-footage/545053574?adppopup=true
https://www.gettyimages.com/detail/photo/various-products-in-a-supermarket-royalty-free-image/1416618595?phrase=refrigeration&adppopup=true
https://www.gettyimages.com/detail/video/cooling-fans-at-the-plant-aerial-view-cooling-system-in-stock-footage/1389021091?adppopup=true
https://www.gettyimages.com/detail/photo/metal-refrigerant-gas-tanks-in-store-royalty-free-image/1417432365?phrase=refrigerant&adppopup=true
https://www.gettyimages.com/detail/illustration/the-three-fundamental-states-of-matter-royalty-free-illustration/589422354?phrase=heat%20molecules&adppopup=true
https://www.gettyimages.com/detail/video/different-states-of-matter-solid-liquid-gas-3d-motion-stock-footage/1142773095?adppopup=true
https://www.gettyimages.com/detail/video/open-refrigerator-filled-with-food-stock-footage/1008485276?adppopup=true
https://www.gettyimages.com/detail/photo/summer-vacations-at-home-and-hot-weather-royalty-free-image/1344258259?phrase=hot%20apartment&adppopup=true
https://www.gettyimages.com/detail/illustration/refrigerator-working-principle-how-does-a-royalty-free-illustration/1477578352?phrase=chlorofluorocarbons&adppopup=true
https://www.gettyimages.com/detail/photo/model-royalty-free-image/183381086?phrase=freon&adppopup=true
https://www.gettyimages.com/detail/illustration/the-ozone-layer-hole-royalty-free-illustration/1364099073?phrase=ozone&adppopup=true
https://www.gettyimages.com/detail/video/flyover-france-england-and-northern-ireland-view-from-stock-footage/637663752?adppopup=true
https://www.gettyimages.com/detail/illustration/greenhouse-gases-carbon-dioxide-methane-royalty-free-illustration/1385690821?phrase=greenhouse%20gas&adppopup=true
https://www.gettyimages.com/detail/photo/group-of-colorful-freon-tanks-royalty-free-image/1425567195?phrase=refrigerant&adppopup=true
https://www.gettyimages.com/detail/illustration/carnot-cycle-vector-illustration-labeled-royalty-free-illustration/1220696143?phrase=Carnot%20cycle&adppopup=true
https://www.gettyimages.com/detail/photo/antique-retro-fridge-in-kitchen-with-brick-wall-royalty-free-image/1271377712?phrase=old%20refrigerator&adppopup=true
https://commons.wikimedia.org/wiki/File:Holmium_shards.jpg
https://commons.wikimedia.org/wiki/File:Shape_Memory_Effect_Animation.ogv
https://www.gettyimages.com/detail/photo/freezing-zero-degree-cold-royalty-free-image/528341519?phrase=zero%20degrees&adppopup=true
https://www.gettyimages.com/detail/photo/snow-plow-salting-street-in-winter-time-orange-royalty-free-image/1222260595?phrase=road%20salt&adppopup=true
https://www.gettyimages.com/detail/video/melting-snow-melting-ice-spring-water-spring-time-stock-footage/528147348?adppopup=true
https://www.gettyimages.com/detail/photo/ice-surface-royalty-free-image/157444397?phrase=ice&adppopup=true
https://www.gettyimages.com/detail/video/frozen-pattern-cover-the-dark-background-from-left-to-stock-footage/654675220?adppopup=true
https://www.gettyimages.com/detail/photo/woman-looking-at-food-in-refrigerator-royalty-free-image/1368036755?phrase=refrigerator&adppopup=true
https://www.gettyimages.com/detail/photo/model-royalty-free-image/183386936
https://www.gettyimages.com/detail/photo/model-royalty-free-image/183387896
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