New research has revealed that agriculture produces more harmful particulate matter than any other human source of this pollutant. The majority of the particulates are caused by the use of synthetic fertilizer, which releases ammonia that combines with sulphates and oxides in the air from the combustion of fossil fuels and wood, forming tiny aerosols. The particles cause an estimated 3.3 million annual deaths worldwide. [Climate News Network]
from GRACE Briefs http://ift.tt/1UcJOnV
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