Ucwaningo: umoya ngeke uhlanzeke ngaphandle kwezimoto
Umoya uzohlala ungcole kakhulu noma ngabe isibalo sezimoto emigwaqeni sincishiswe kakhulu, ngokusho kocwaningo olucashunwe yi-Auto Express yaseBrithani. EScotland, inani lezimoto ngenyanga yokuqala yokuhlukaniswa ne-coronavirus lehle ngama-65%. Kodwa-ke, lokhu akuholelanga ekuthuthukeni okuphezulu kwekhwalithi yomoya, ososayensi abavela eNyuvesi yaseStirling bathola.
Bahlaziye amazinga okungcoliswa komoya kusuka ku-PM2.5 izinhlayiya zothuli ezinhle, ezinomthelela omkhulu empilweni yomuntu. Lezi zivivinyo zenziwa ezindaweni ezihlukene ezingama-70 eScotland kusukela ngomhlaka-24 Mashi (ngosuku olulandelayo ngemuva kokumenyezelwa kwezinyathelo zokulwa nobhubhane lwase-UK) kuya kumhla ka-23 Ephreli 2020. Imiphumela yaqhathaniswa nedatha yezikhathi ezifanayo zezinsuku ezingama-31 eminyakeni emithathu edlule.
Ngonyaka we-2,5, ukutholwa kwe-geometric kusho ukuthi i-PM6,6 yatholakala ingama-micrograms ayi-2020 nge-cubic meter yomoya. Ngaphandle komehluko omkhulu enanini lezimoto ezisemgwaqeni, lo mphumela ububanzi ngokufanayo nango-2017 nango-2018 (6,7 no-7,4 μg, ngokulandelana).
Ngo-2019, izinga le-PM2.5 laliphezulu kakhulu ku-12.8. Nokho, ososayensi bathi lokhu kungenxa yesimo sezulu lapho uthuli olucolekileyo oluvela ogwadule lwaseSahara lwathinta izinga lomoya e-United Kingdom. Uma ungalicabangeli leli qiniso, ngonyaka odlule izinga le-PM2,5 lalilinganiselwa ku-7,8.
Abaphenyi baphetha ngokuthi izinga lokungcola komoya lihlala lilingana, kodwa izinga le-nitrogen dioxide liyancipha. Kodwa-ke, abantu bachitha isikhathi esithe xaxa emakhaya abo, lapho ikhwalithi yomoya ingaba mpofu ngenxa yokukhishwa kwezinhlayiya eziyingozi ekuphekeni nasentuthu kagwayi.
“Bekucatshangwa ukuthi zimbalwa izimoto emgwaqeni ezingaholela ekungcoliseni komoya okuncane bese kunciphisa izinga lokugula. Kodwa-ke, ucwaningo lwethu, ngokungafani noWuhan neMilan, alutholanga bufakazi bokwehliswa kokungcoliswa komoya okuhle eScotland kanye nokuvalwa kwalolu bhubhane, ”kusho uDkt Ruraid Dobson.
“Lokhu kukhombisa ukuthi izimoto azinawo umthelela omkhulu ekungcolisekeni komoya eScotland. Abantu bangase babe sengcupheni enkulu yezinga lomoya eliphansi ezindlini zabo, ikakhulukazi uma ulungileUkupheka nokubhema kwenzeka ezindaweni ezivalekile nezingenawo umoya ohlanzekile,” engeza.
