Benefici per la Salute dalla Lotta al Cambiamento Climatico

LIMA – I governi spesso considerano il cambiamento climatico troppo costoso da affrontare. In realtà, ignorarlo è troppo costoso. È per questo che l’Organizzazione Mondiale della Sanità (OMS), per esempio, ha legato la prevenzione di cambiamenti climatici disastrosi agli “immediati benefici e risparmi sui costi per la salute” derivanti dalla riduzione dell’inquinamento atmosferico.

Le statistiche sono pesanti. Nel 2012, l’inquinamento atmosferico ha determinato più di sette milioni di morti premature – uno su otto a livello mondiale – rispetto ai quasi sei milioni di morti premature da tabacco.

Una delle principali cause dei danni sono le particelle sottili chiamate PM2.5, con diametro inferiore a 2,5 micrometri. Esse devastano viaggiando in profondità nei polmoni, contribuendo all’insorgere di infiammazioni, tumori ed infezioni respiratorie, o passando nel flusso sanguigno, dove possono innescare trasformazioni nei vasi sanguigni che causano infarti e ictus.

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