Takarda kariya kusurwa ne da yawa takarda kraft post bayan, da kariya kusurwa inji m matsawa, yafi L siffar da U siffar. Bayan amfani da kayayyaki stacking code, za a iya karfafa marufi gefen goyon baya da kuma kare su gaba daya marufi karfi, shi ne na kore muhalli m marufi kayan, za a iya maimakon katako sake amfani. Duniya low carbon muhalli kariya guguwa ya shafi da marufi yankin, ya gabatar da low carbon marufi ra'ayi, low carbon marufi babban abun ciki ne marufi haske, samar da tsaftacewa, kayayyakin kore, makamashi tanadi rage fitarwa da kuma takarda kayan aiki da takarda kayan aiki da sauransu. Takardar da aka sake amfani da ita, ba kawai rage amfani da itace ba, rage yankan gandun daji, kare muhallin muhalli, har ma da ceton makamashi da ceton ruwa da rage fitar da hayaki. A cewar lissafi, amfani da takarda ta sharar gida samar da 1 ton takarda zai iya adana 5 cubic mita itace, 60 cubic mita ruwa, 300 kWh, takarda kariya kusurwa a matsayin kariya gefen, kariya kusurwa, rufi, kariya kasa marufi sabon kayan, bude "babu kwantena marufi" sabon hanya, daban-daban abubuwa, duk wanda kawai bukatar kare su gefen kusurwa, ba dole ne a gaba ɗaya hada da kayayyaki, babban amfani, mafi makamashi tanadi muhalli karewa.