Climate organic aerosol formation

A wide range of structurally diverse compounds is produced during incineration. These include PAHs and related compounds, azaarenes, and chlorinated PAHs from combustion of fossil fuels and natural wildfires. Organic compounds in the atmosphere may exist both in the free (gaseous) state or on particles of various dimensions. Recent concern has been directed to the occurrence in aerosols both of the compounds themselves and of their transformation products (secondary aerosols) (1) for their role in atmospheric chemistry and as determinants of climate (Andreae and Crutzen 1997) and (2) due to health risks since aerosol formation facilitates the transport into and sorption by the lungs. 

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Natural and anthropogenic sulfur aerosols play a major role in atmospheric chemistry and potentially in modulating global climate. One theory holds that a negative feedback links the emission of volatile organic sulfur (mostly as DMS) from the ocean with the formation of cloud condensation nuclei, thereby... 

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