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Oceans are an essential component of the Earth's ecosystem - for oxygen, food, and water - it is impossible to sustain life on Earth without them. Oceans play an essential role in providing services for climate regulation and a rich resource for genetic pools, minerals, and, recently, renewable energy. They are crucial to the global economy, supporting key industries such as fisheries and tourism, transport, and trade. While the oceans have supported humanity from the beginning, resource consumption in recent centuries has threatened their survival. Some of the major drivers that endanger their health are global warming, pollution, and habitat degradation.