Nanoparticles in the Earth System

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An estimated global accounting for all natural, incidental, and engineered nanomaterials on or in Earth’s surface and atmosphere.
All numbers are fluxes (Tg/year), where 1 Tg equals 1012 g or 1 million metric tons. (From Hochella et al., 2019, Figure 3; Credit: Rose Perry, PNNL.
Originally uploaded in Nanotechnology in STEM.

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