- Izihlahla zinciphisa kakhulu isidingo se-air conditioning. Izihlahla ezintathu nje ezibekwe kahle zingehlisa izikweletu zikamasipala ngo-50%.
- Izihlahla ziheha amakhasimende. Abathengi bachitha u-12% ngaphezulu ezindaweni zokuthenga ezinezihlahla futhi bazothenga isikhathi eside futhi babuye njalo.
- Izihlahla zinganciphisa ukugeleza kwamanzi eziphepho minyaka yonke ngo-2% — 7%.
- Izihlahla zinciphisa ukungcoliswa komsindo ngokumunca imisindo.
- Amahlathi asemadolobheni asekela imisebenzi engu-60,000 yaseCalifornia ngonyaka.
- Izihlahla zikhuthaza ukuhamba nokuhamba ngebhayisikili, okunciphisa ukusetshenziswa kwemoto nokukhipha umoya wezimoto, futhi kusize ekugcineni abantu baphile kahle ngokomzimba.
- Izihlahla zihlanza umoya esiwuphefumulayo ngokumunca isikhutha, ama-nitrous oxide nezinye izinto ezingcolisa umoya.
- Izihlahla nezimila zingakhuphula amanani ezakhiwo aze afike ku-37%.
- Izihlahla zifihla izimoto nezindawo zokupaka, zinciphisa ukukhishwa kwe-ozone ezimotweni.
- Ukuthintana nemvelo kukhuthaza umcabango kanye nokudala futhi kusiza ukukhula kwengqondo nokuhlakanipha kwengane. Ucwaningo lubonisa ukuthi izilungiselelo zemvelo zinganciphisa izimpawu ze-Attention Deficit-Hyperactivity Disorder.
- Ngokuhlunga izinto ezingcolisa umoya, izihlahla zinciphisa izimo ezibangela isifuba somoya nezinye izinkinga zokuphefumula.
- Izihlahla ezisezitaladini ziholela ekuhambeni okuhamba kancane kanye nokuziphatha kokushayela okukhululekile.
- Izindawo eziluhlaza ezindaweni zasemadolobheni zihlotshaniswa namazinga aphansi obugebengu, kanye nezigameko ezincishisiwe zodoti kanye nemidwebo.
- Izihlahla zandisa amathuba okusebenza ngokomzimba ngaphezu kwama-300%. Eqinisweni, izingane kanye nentsha ehlala ezindaweni eziluhlaza banenkomba yesisindo somzimba ephansi.
- Imvelo yasemadolobheni isiza ukubuyisela ingqondo ekukhathaleni kwengqondo futhi iphumule umzimba. Izihlahla zinciphisa ukucindezeleka ngokwehlisa amazinga e-cortisol, i-hormone ebonisa ukucindezeleka.
- Izihlahla zithuthukisa izinhlobonhlobo zezinto eziphilayo ngokudala indawo yokuhlala yezilwane zasendle.
- Umthunzi ovela ekusikeni kwezihlahla welula isikhathi sokuhamba ngetiyela ukuze kwehliswe izindleko zokulungisa nokulungisa imigwaqo.
- Izihlahla zinikeza izithelo ezintsha namantongomane ukondla izakhamuzi futhi zikhuthaze ukudla okunempilo.
- Izihlahla zinikeza indlela yemvelo yokulawula izikhukhula ngokumunca kanye nokunciphisa ukugeleza kwamanzi eziphepho.
- Izihlahla zinikeza isivikelo emisebeni yelanga eyingozi ye-UV, ngaleyo ndlela zisize ekuvimbeleni umdlavuza wesikhumba.
- Iziguli ezilulama kusukela ekuhlinzweni zinezilinganiso zokululama ngokushesha nokuhlala isikhathi esifushane esibhedlela lapho zikwazi ukubuka imvelo.
- Izihlahla zivikela umhlabathi ngokumunca, ukuguqula nokuqukatha ukungcola kanye nokunciphisa ukuguguleka komhlabathi.
- Izihlahla zihlobisa futhi zithuthukise isimilo somakhelwane futhi zikhuthaza ukuziqhenya komphakathi kumphakathi womuntu.
- Ukutshala kwezindawo ezingomakhelwane ngezihlahla kuyindlela ephumelelayo yokuvuselela izindawo ezingomakhelwane nokudala izilungiselelo ezikhangayo nezimemayo ezikhuthaza ukuxhumana phakathi komakhelwane.
- Izihlahla ziwukuphela kwendlela yengqalasizinda yasemadolobheni ekhuphuka ngempela inani ngokuhamba kwesikhathi futhi ibangele imbuyiselo engaphezu kuka-300% ekutshalweni kwezimali.