
Novel entities are defined as new substances, new forms of existing substances and modified life forms, including chemicals and other new types of engineered materials or organisms not previously known to the Earth system as well as naturally occurring elements (for example, heavy metals) mobilized by anthropogenic activities. Novel means new in the geological sense, that is, created, introduced, or recirculated by humans. The entities are intentionally and unintentionally manufactured chemicals, engineered materials, and their transformation products, that have the potential to cause effects on vital Earth System processes as well as naturally occurring elements and materials mobilized in new…
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