Found this little jem! It’s a way to refrigerate food without any electricity. Even if you use this only for your fruits or veggies its a great first step towards a more sustainable lifestyle!
“Refrigerate foods without using electricity -this mode of refrigeration goes back at least 5000 years. It uses a porous outer earthenware pot, lined with wet sand, contains an inner pot (which can be glazed to prevent penetration by the liquid) within which the food is placed – the evaporation of the outer liquid draws heat from the inner pot. The device can be used to cool any substance.”