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Marine pollution caused by plastic substances is recognized as an issue of the highest magnitude, from a pollution perspective. [27] A majority of plastics used in people's day to day lives are never recycled. Single use plastics of this kind contribute significantly to the 8 million tons of plastic waste found in the ocean each year. [2]
The refuse finds its way from inland waterways, rivers, streams and lakes to the ocean. Though ocean and coastal area cleanups are important, it is crucial to address plastic waste that originates from inland and landlocked states. [97] [98] At the systems level, there are various ways to reduce the amount of debris entering our waterways:
While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm.. Marine pollution occurs when substances used or spread by humans, such as industrial, agricultural and residential waste, particles, noise, excess carbon dioxide or invasive organisms enter the ocean and cause harmful effects there.
As the coronavirus continues to ravage the United States, health officials are pleading with people to continue social distancing, avoid groups, and limit trips to public areas as much as possible.
Management interventions at the local level at coastal areas were found to be crucial to the global success of reducing plastic pollution. [215] There is one global, interactive machine learning- and satellite monitoring-based, map of plastic waste sites which could help identify who and where mismanages plastic waste, dumping it into oceans.
Ocean acidification is the increasing acidification of the oceans, caused mainly by the uptake of carbon dioxide from the atmosphere. [88] The rise in atmospheric carbon dioxide due to the burning of fossil fuels leads to more carbon dioxide dissolving in the ocean. When carbon dioxide dissolves in water it forms hydrogen and carbonate ions.