Feem ntau hais lus, qhov rooj tua hluav taws muaj cov yam ntxwv ntawm qhov chaw du, zoo nkauj tsos, qhib tau yooj yim, ruaj khov thiab ruaj khov, yooj yim siv, nyab xeeb thiab txhim khu kev qha. Cov pa roj carbon tsawg, txhawb kev nce qib thiab kev txhim kho ntawm cov qhov rooj hluav taws, txhim kho cov txheej txheem ntawm kev lag luam hluav taws kub, thiab pab txhim kho thiab txhim kho kev lag luam hluav taws kub!