Li cas los zom ua dua tshiab ib lub hnab yas

Reusable khw lub hnab uas pheej siv tau, thiab cov ntaub ntawv yuav muaj yam degradation uas ntim cov khw. Qhov 18 lus "strengthening tus tshaj tawm thiab kev kawm ntawv ntawm Conference civilization thiab txhim khu lub teb chaws raws li kev txuag tej kev khiav, eco-meej pem, tsis meej pem noj nqos tau cov haiv neeg, npaj cov cua nyob hauv." Tsim ib qho chaw-conserving thiab nyob hauv lub koom txoos guiding, txhawb cov neeg siv cov khw hnab yas, qib ntawm cov chaw muab kev qhia ub yuav ua ib qho kev ntsuas indispensable tiv thaiv ib puag ncig Conference.