Wani muhimmin fa'ida na kayan gilashin shine cewa ana iya narke su kuma a yi amfani da su har abada, wanda ke nufin cewa muddin aka sake yin amfani da gilashin da aka karye da kyau, amfani da albarkatun kayan gilashin na iya zama kusan kusan 100%.
Bisa kididdigar da aka yi, kimanin kashi 33% na gilashin gida ana sake yin amfani da su, kuma ana sake amfani da su, wanda ke nufin cewa masana'antar gilashi suna cire tan miliyan 2.2 na carbon dioxide daga muhalli a kowace shekara, wanda yayi daidai da hayaƙin carbon dioxide na kusan motoci 400,000.
Yayin da farfadowar gilashin da ya karye a kasashen da suka ci gaba kamar Jamus, Switzerland da Faransa ya kai kashi 80%, ko ma kashi 90 cikin 100, har yanzu akwai sauran damara don farfado da gilashin cikin gida da ya karye.
Muddin an kafa ingantacciyar hanyar dawo da cullet, ba kawai zai iya rage hayakin carbon ba, har ma yana adana makamashi da albarkatun ƙasa sosai.
Lokacin aikawa: Fabrairu-28-2022