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Over three billion people depend on marine and coastal biodiversity for their livelihoods. However, today we are seeing 30 percent of the world’s fish stocks overexploited, reaching below the level at which they can produce sustainable yields.

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The oceans face great challenges, and for that reason humans are helping with conservation efforts. You can reuse shower water and vegetable washing water to water your plants. You can reduce your waste, using reusable containers for drinks at school or work also you can use products in refillable containers.

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Our oceans are in crisis. Human activities are driving unprecedented losses in marine biodiversity, with devastating consequences for ecosystems and food security worldwide. Overfishing, pollution, habitat destruction, invasive species, and climate change are pushing many marine species to the brink of extinction.

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Human actions have a profound and demonstrably negative influence on ocean ecosystems, primarily through pollution, overfishing, habitat destruction, and climate change. These activities disrupt the delicate balance of marine life.

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Marine biodiversity would become extinct, which would be catastrophic because: 1. Countries such as Peru would lose traditional dishes such as ceviche.

2. Many people would lose their jobs,

such as marine biologists and fishermen.

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The decline of the ocean is impeding necessary ecological functions and both directly and indirectly, threatening human health. Human actions have altered 66 per cent of the ocean, and the triple planetary crisis of climate change, nature and biodiversity loss, and pollution and waste is exacerbating the impacts. Human activity is causing plastic pollution,, and more.

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Marine Protected Areas (MPAs), especially those that are fully protected (“no-take zones”), when well designed and enforced, significantly increase biodiversity, fish biomass, and species richness compared to areas with little or no protection. They help marine populations recover from overfishing and destructive practices.

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Every year an estimated 5 to 12 million metric tons of plastic enter the ocean. Carbon emissions produced by human activities, like driving cars, are causing the oceans to warm and increase the acid level in the water.

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Human activities have a profound and diverse impact on oceans, causing significant threats to marine life. These include fishing, shipping, coastal development, and pollution. With advances in fishing equipment, larger ships, and new tracking technologies, many fish stocks worldwide have significantly reduced.

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The ocean is at serious risk because, due to global warning

some fish are becoming extinct and water pollution is causing the sea to run out of water,meaning it can no longer support life

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Our rainwater, drinking water, weather, climate, coastlines, much of our food, and even the oxygen in the air we breathe, are all ultimately provided and regulated by the sea. Throughout history, oceans and seas have been vital conduits for trade and transportation.

Careful management of this essential global resource is a key feature of a sustainable future.

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Marine Protected Areas (MPAs) not only benefit ecosystems, they also bring social and economic benefits. Increases in fish catches, improved incomes for coastal communities, food security, and more tourism are observed.

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The decline of the ocean is impeding necessary ecological functions and both directly and indirectly, threatening human health. Human actions have altered 66% of the ocean. Human activity is causing plastic pollution, over exploitation and more.

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From the coasts to the Arctic, human activities on natural systems continue to disrupt the Earth's delicate balance. Our actions extend far beyond visible pollution and encompass complex interactions between industrial development, urbanization, and resource exploitation, affecting everything from microscopic marine organisms to global weather patterns.

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Let me give you an example: the seahorse. The seahorse is the fish most at risk of extinction due to pollution of its habitat and fishing nets that accidentally trap them.

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(CONNECTION): Why do some human actions have both helpful and harmful effects on the oceans? (Miranda)

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(CONNECTION): Why do some human actions have both helpful and harmful effects on the oceans? (Miranda)

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(CAUSATION): What might happen to the oceans if humans don’t change their behavior? (Cayetana)

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(CAUSATION): What might happen to the oceans if humans don’t change their behavior? (Cayetana)

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In conclusion, water plays an important role in the world because we use it for many purposes, such as drinking, keeping our environment clean, and even breathing. We have eliminated many species because of their different characteristics or because they are very valuable to us, but we have not thought about what would happen to animals if we ran out of food.

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To summarize, the urgent need for ocean conservation is underscored by the effectiveness of Marine Protected Areas, which not only enhance biodiversity and fish populations but also provide significant social and economic benefits to coastal communities. By adopting sustainable practices and supporting conservation efforts, we can ensure the health of our oceans for future generations.

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In conclusion, almost all of the ocean is polluted, but we can fix this by disposing of our trash elsewhere, taking care when transporting oil by ship, and promoting the use of sewage treatment plants. Otherwise, all fish would disappear, marine biodiversity will be lost, there will be a shortage of oxygen and the fresh water would run out.

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In conclusion, human actions are fundamentally undermining ocean ecosystems through various detrimental practices, including pollution, overfishing, habitat destruction, and climate change. The intricate web of marine life is being severely disrupted as fishing, shipping, and coastal development continue to escalate.

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In conclusion, the sea is polluted due to various actions such as ocean pollution, and fish are becoming extinct due to these actions carried out by humans.

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(CHANGE): How do human activities harm life below water? (Santiago Diaz)

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(CHANGE): How do human activities harm life below water? (Santiago Diaz)

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(FUNCTION): How do human activities affect marine ecosystems in positive ways? (JM)

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(FUNCTION): How do human activities affect marine ecosystems in positive ways? (JM)

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(FORM): What causes changes in the health of the oceans? (Juan Diego)

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(FORM): What causes changes in the health of the oceans? (Juan Diego)