Hemispheric Transport of Air Pollution 2010

Part B - Mercury

image of Hemispheric Transport of Air Pollution 2010
This is one part of a four-volume set that presents a state-of-the-science assessment of the intercontinental transport of air pollutants across the Northern Hemisphere. The first three volumes are technical assessments of the state-of-science with respect to intercontinental transport of ozone and particulate matter, mercury, and persistent organic pollutants. The fourth volume is a synthesis of the main findings and recommendations of Parts A, B, and C organized around a series of policy-relevant questions that were identified at the Task Force on Hemispheric Transport of Air Pollution’s first meeting.




This chapter reviews global mercury emission estimates published in recent years, and describes relative contributions from major anthropogenic and natural sources as well as from natural ecosystem-driven processes (re-emissions/recycling). The assessment of historical and current emissions for both anthropogenic and natural source categories is supplemented by scenario evaluations for the target years of 2025 and 2050.


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