New insight into the overlooked aging behavior of microplastics mediated by soluble Mn(Ⅲ) in subsurface environments.
Microplastics (MPs) undergo pervasive environmental aging, but non-photochemical transformations in subsurface environments remain poorly understood. Here, we investigated the aging of polyethylene (PE), polystyrene (PS), and polylactic acid (PLA) by pyrophosphate-stabilized Mn(Ⅲ) under dark, circumneutral, Mn-rich acc...