Human Effects on Background Atmosphere have Affected Mercury Chemistry

Conceptual representation of the changes in Hg redox chemistry between preindustrial (PI) (A) and present day (PD) (B). Including its impacts on human health through enhanced deposition in (sub)tropical ocean regions that are the primary source of Methylmercury (MeHg) in the human diet. Credit: Feinberg et al. [2026], Figure 2