Zdravotní přínosy boje proti klimatickým změnám

LIMA – Vlády často pokládají klimatické změny za příliš nákladné, než aby se daly řešit. Ve skutečnosti je příliš nákladné je ignorovat. Proto například Světová zdravotnická organizace (WHO) spojila prevenci katastrofálních klimatických změn s „bezprostředními zdravotními přínosy a úsporami nákladů na zdravotní péči“ v důsledku snížení znečištění ovzduší.

Statistiky jsou chmurné. Znečištění ovzduší způsobilo v roce 2012 více než sedm milionů předčasných úmrtí – celosvětově je to každé osmé –, oproti bezmála šesti milionům předčasných úmrtí způsobených tabákem.

Jednou z nejvýznamnějších příčin těchto škod jsou jemné částice označované jako PM2,5, jejichž průměr je menší než 2,5 mikrometru. Tyto částice páchají škody tím, že pronikají hluboko do plic, kde přispívají k zápalům, rakovině a zánětům dýchacích cest, případně se dostávají do krve, kde mohou vyvolávat cévní změny způsobující infarkty a mrtvice.

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