Reducing global particulate matter pollution could save millions of lives Globally, more than 3.2 million premature deaths per year are attributed to exposure to ambient fine particulate matter (PM2.5). A new study estimates that 2.1 million premature deaths could be avoided if countries achieved the WHO guideline for PM2.5. Even meeting their closest WHO interim … Continue reading NZ has ‘nek minute’, WHO has ‘next target’