Kev ntxuav cov roj khib nyiab yog qhov tseem ceeb thiab tseem ceeb ntawm kev tiv thaiv ib puag ncig niaj hnub no. Kev muab cov roj pov tseg tsis raug tuaj yeem ua rau cov av thiab dej tsis zoo thiab ua rau tib neeg noj qab haus huv.
Los ntawm kev siv thev naus laus zis thev naus laus zis thev naus laus zis thev naus laus zis, cov khoom tsis zoo tuaj yeem raug tshem tawm ntawm cov roj pov tseg, ua kom muaj peev txheej rov qab siv dua. Piv txwv li, txoj hauv kev xws li kev pom lub cev, tshuaj lom neeg decomposition, lossis biodegradation tiv thaiv ib puag ncig thiab txuag cov peev txheej.
Txhua tus neeg yuav tsum tsa lawv txoj kev paub txog kev pov tseg cov roj pov tseg, txheeb xyuas thiab rov ua dua tshiab, txhawb kev txhim kho kev tiv thaiv ib puag ncig ntsuab, thiab sib koom ua ke tiv thaiv peb lub tsev ecological.
