The introduction by man [1], directly or indirectly, of substances or energy into the marine environment, including estuaries, which results or is likely to result in such deleterious effects as harm to living resources and marine life, hazards to human health, hindrance to marine activities, including fishing and other legitimate uses of the sea, impairment of quality for use of seawater and reduction of amenities. Source: United Nations Convention on the Law of the Sea, art. I (4).* [1] The use of terms such as “man” and “mankind” to denote “humans”, “humankind” or “humanity” is no longer considered acceptable in United Nations documents. * This term and definition is included in the glossary of key terms prepared for the work of the international negotiating committee to develop an international legally binding instrument on plastic pollution, including in the marine environment, under the category 'Terms not used in Environment Assembly resolution 5/14 that may be related to those used in the resolution and that have definitions adopted or endorsed by an intergovernmental process'. See UNEP/PP/INC.1/6.