Sentences with phrase «mercury emissions from human activities»
These and other mercury emissions from human activities (past and present) account for at least 50 % and perhaps as much as 75 % of current, annual, global mercury emissions from all sources (including natural sources), but a large, unknown portion of those mercury emissions is due to past rather than current human activities, according to EPA estimates.
https://www.mediamatters.org/ Not exact matches
Mercury emissions from human activities take several forms that behave differently in the atmosphere Oxidized mercury, notated as Hg (II), generally settles or is rained out of the atmosphere close to emission sources.