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How much reduction in particles is enough?

Anonüümne 11 aastat tagasi uuendaja anonymous 6 aastat tagasi 0

Given the health damage caused by PM10 and PM 2.5s, is it satisfactory for our leaders to aim for only a small reduction to exposure, such as 10% or 20%? Should some sources of particles such as the burning of wood for heating/BBQs, be phased out altogether?