Cov khoom pov tseg puas tsuaj los yog tshuaj lom tuaj yeem tsim los ntawm ntau yam kev ua ub no, suav nrog kev tsim khoom, kev ua liaj ua teb, kev kho dej, kev tsim kho, chaw soj nstuam, tsev kho mob thiab lwm yam kev lag luam. Cov khib nyiab tuaj yeem ua kua, khoom lossis sedimentary thiab muaj cov tshuaj lom neeg, cov hlau hnyav, hluav taws xob, cov kab mob lossis lwm yam teeb meem. Cov khib nyiab pov tseg raug tsim tawm txawm tias yog vim li cas peb lub neej niaj hnub, xws li roj teeb, siv cov cuab yeej siv computer thiab cov xim pleev xim lossis tshuaj tua kab.
Cov khib nyiab pov tseg tuaj yeem nyob hauv av, dej thiab huab cua thiab ua rau tib neeg, tsiaj txhu thiab nroj tsuag. Qee cov co toxins, xws li mercury thiab txhuas, nyob hauv ib puag ncig tau ntau xyoo thiab sib sau ua ke dhau sijhawm. Tsiaj txhu thiab cov neeg noj ntses thiab nqaij ua rau muaj kev pheej hmoo ntawm kev nqus cov tshuaj lom nrog rau lawv.
Nyob rau hauv lub dhau los, cov pov tseg txaus ntshai yog loj unregulated, uas ua rau ib tug tseem ceeb ib puag ncig muaj kuab paug. Tam sim no, nyob rau hauv ntau lub teb chaws, muaj cov kev cai uas yuav tsum tau muaj kev phom sij pov tseg los ntawm kev saib xyuas hnyav thiab muab tso rau hauv cov chaw tshwj xeeb. Ntau qhov chaw txawm muaj hnub tshwj xeeb rau kev sau cov khib nyiab hauv tsev.
Cov khib nyiab pov tseg feem ntau yog khaws cia rau hauv qhov tshwj xeeb cia hauv cov ntim ntim hauv av. Cov khib nyiab pov tseg tsawg dua uas muaj feem tsawg ntawm kev sib kis hauv qhov chaw - xws li cov av uas muaj cov hmoov lead - qee zaum sab laug ntawm lawv qhov chaw thiab muab ntim nrog cov av nplaum tawv.
Kev pov tseg cov pov tseg uas tsis muaj kev phom sij rau hauv av lossis hauv nroog pov tseg kom tsis txhob them tus nqi txhaum cai thiab tuaj yeem ua rau raug nplua hnyav lossis raug kaw hauv tsev loj cuj.
Tam sim no, muaj ntau cov pov tseg pov tseg uas ua rau muaj kev hem thawj rau ib puag ncig thiab tib neeg kev noj qab haus huv. Qee qhov chaw pov tseg yog cov seem ntawm yav dhau los uas cov pov tseg pov tseg tsis zoo, lwm qhov yog qhov tshwm sim ntawm kev pov tseg tsis raug cai tsis ntev los no.
Kev tswj hwm thiab kev kho cov pov tseg tshuaj lom
Cov kev cai lij choj ntawm lub teb chaws ntawm lub ntiaj teb no tswj kev tuav pov hwm cov pov tseg uas muaj kev phom sij thiab kev cia khoom pov tseg uas muaj kev phom sij. Txawm li cas los xij, social activists thiab environmentalists rightly taw qhia tias, hmoov tsis, cov kev cai tsim feem ntau tsis tau tag nrho. Tshwj xeeb, ntau tus neeg liam tsoomfwv thiab cov koom haum ntawm ib puag ncig kev ntxub ntxaug thaum nws los txog rau cov khib nyiab pov tseg. Qhov no yog vim muaj qhov tsis sib xws ntawm cov chaw pov tseg cov tshuaj lom neeg feem ntau nyob hauv lossis nyob ze cov zej zog tau nyiaj tsawg lossis cov zej zog muaj xim, ib feem vim tias cov zej zog feem ntau muaj tsawg dua los tawm tsam cov haujlwm no.
Kev kho cov khib nyiab pov tseg yog ib qho txheej txheem ntau theem. Nws pib nrog kev mus xyuas qhov chaw thiab xyuas seb thaj chaw puas cuam tshuam rau tib neeg kev noj qab haus huv lossis ib puag ncig. Nws yog tom qab ntawd tshawb xyuas ntxiv thiab ua tus yam ntxwv nyob ntawm seb hom kab mob paug tau txheeb xyuas thiab kwv yees tus nqi ntawm kev ntxuav, uas tuaj yeem nyob hauv kaum tawm lab thiab siv sijhawm ntau xyoo.
Txoj kev ntxuav tu pib thaum txoj kev npaj tau tsim. Environmental engineers siv ntau txoj hauv kev los kho qhov chaw muaj kab mob, suav nrog kev tshem tawm cov thoob, tso tsheb hlau luam, lossis av; installation ntawm cov kua dej; tseb cov nroj tsuag muaj txiaj ntsig los yog kis kab mob kom nqus lossis zom cov khoom lom. Thaum ua haujlwm tiav lawm, kev soj ntsuam thiab teem sijhawm kuaj xyuas kom ntseeg tau tias thaj chaw muaj kev nyab xeeb.
Hmoov tsis zoo, peb tsuas tuaj yeem cuam tshuam qhov xwm txheej loj los ntawm kev hu xov tooj rau tsoomfwv thiab cov tuam txhab kom paub meej tswj cov khoom pov tseg. Tab sis ntau ntau nyob ntawm peb txhua tus - peb yuav tsum pov tseg cov khoom pov tseg hauv tsev kom zoo thiaj li ua kom thaj chaw ntawm peb lub teb chaws thiab tag nrho lub ntiaj teb huv si thiab nyab xeeb li sai tau.