Lia 25 ya Julho ya 2023, umo muata ua handekele ngueni: “Ku livuezelela ca ku vihia ca mavu ci li na ku kaluuisa miono ya vantu na tusitu. Mahundzi na viniondzi vi li na ku livuezelela vukama na ku lundumuna vindzivo via vantu, kaha vi li na ku kaluuisa yoyesi muaya mavu ose. Mema a mu kalunga-ndonga ali na ku yukuma mua kama na ku haka mu vusonde miono ya tusitu vavengi va kalamo.”—Inger Andersen, under-secretary-general of the United Nations and executive director of the UN Environment Programme.

 Vuno vanguvulu tangua va ka likuata kumo na ku tala hali evi visoti vie ku yandesa mavu ose ni? Vuno va ka hasa ku vi manusula mpundu ni?

 Mbimbiliya ya handeka via vumo vuangana vu hasa ku sungamesa ku vihia ca mavu, kaha vu ka lingamo vene. Nguayo: “Njambi ua muilu a ka tumbika vuangana” vu ka sungamesa ku vihia cose ca mavu. (Ndan. 2:44) Mu vu ka sika vuangana vuaco, vantu ka va ka “pihisa” mavu, cipue ku liyandesa umo na mukuavo.—Isaya 11:9.