Plastic will outweigh fish in the ocean by 2050 - unless countries start to limit the number of manufactured products that end up as marine debris. This is one way governments are now pledging to reach the United Nations' Sustainable Development Goal (SDG) 14 - to 'conserve and sustainably use the oceans, seas and marine resources for sustainable development'.
Preventing nutrient pollution of seas, oceans and African lakes and rivers is another. With this type of pollution, the flow of nutrient-rich water, in Lake Victoria for example, from maritime activities leads to excessive plant growth which depletes the amount of oxygen in the lake, suffocating marine life such as fish. While not part of the oceans, inland lakes and rivers are considered part of Africa's maritime domain.
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