Coffee grounds can be used as manure and compost, as well as hair treatment and natural soap, and refrigerator deodorizer, dishwashing detergent, and insecticide. In addition to this, have you heard that coffee grounds can be used as a 'snow remover'?
Coffee grounds can substitute for calcium chloride and sand. Coffee grounds are good for the environment because they are compostable fertilizers, the city can save money on salt and sand purchases, and it's less harmful to pets' paws.
In Krakow, Poland, under the name of 'Coffee Road Project', a sign with the name of the cafe that donated the coffee grounds was installed on the street where coffee grounds were sprinkled, and it is also used as an opportunity to promote local coffee shops.
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