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The world's oceans cover over 70% of the Earth's surface and play a crucial role in supporting life on the planet. However, human activity has taken a heavy toll on the health of the oceans, leading to a decline in marine biodiversity, pollution, and the rise of climate change. This has left the future of the world's oceans in doubt, necessitating urgent action to safeguard and protect them.PPT 超级市场

One of the most pressing issues facing the world's oceans is pollution. While the majority of marine pollution comes from land-based sources such as industrial waste, agricultural runoff, and urban sewage, a significant amount also comes from ships and offshore oil and gas platforms. This pollution has led to a rise in waterborne diseases, a decline in marine life, and the degradation of coral reefs.😀PPT超级市场服务

Overfishing is another major threat to the world's oceans. As fishing fleets continue to deplete fish stocks, many species are being driven to extinction. This has led to a collapse in the ocean's food webs, affecting both marine life and human communities that depend on fisheries for their livelihoods.😀PPT超级市场服务

Climate change is another serious threat to the world's oceans. Rising sea temperatures and ocean acidification are causing a decline in marine biodiversity, while sea level rise is threatening coastal communities and habitats. Climate change is also disrupting oceanic currents, leading to changes in weather patterns and affecting global food production.pptsupermarket*com

Given the gravity of these threats, it is essential to take urgent action to protect and preserve the world's oceans. Some of the measures that can be taken include: PPT超级市场