Suggest solution to warn people about the dangerous place in ocean
Answers
Explanation:
Oceans cover more than two-thirds of our planet and give us food, energy and other resources. But worldwide, this fantastic underwater world is in danger. Is there still time to prevent the worst?
Surfing, boating, long walks on the beach - yes, we love our oceans. And yet, we treat them horribly, even though we need them to survive.
DW takes a closer look at the five biggest man-made threats to these massive bodies of water - and why we should try desperately to save the oceans while we still have a chance.
1. Depleted fish stocks
Eating fish and seafood is good for our health and many people worldwide, particularly in low-income countries, rely on these important sources of protein. In the past, the number of fish and other sea creatures caught by humans could be replenished through natural reproduction. Today, however, we take out more than what nature can deliver.
According to the UN's Food and Agriculture Organization (FAO), humans extracted more than 81 million tons of fish and seafood from the oceans in 2015, an increase of 1.7 percent compared to 2014.
Around 30 percent of global fish stocks are overexploited or have already collapsed; 58 percent are at their limit.
The countries with the largest marine capture rates in 2015 were China, Indonesia and the US. In total, 23 countries are responsible for 80 percent of the world's fish and seafood production - most of them high-income countries.
A growing human population needs plenty of fish - too many?
Conventional aquaculture, often seen as a solution, actually makes matters even worse. This industrial mass fish farming, partly in cages in the oceans, uses up huge amounts of seafood as feeding material.
Aquaculture farms also pollute their surrounding areas with excrement and facilitate the spread of fish diseases.
More rigorous fishing quotas and better fishery management could help. Fish stocks can recover within decades or even years, but action needs to be taken soon before some species are critically endangered or even lost forever.
And yes: limiting the amount of fish and seafood we eat to a reasonable level and backing away from eating endangered species would also help.
2. Ocean acidification
Carbon dioxide emissions have increased significantly since the beginning of industrialization in the 19th century. But the concentration of CO2 in the atmosphere has only risen by around 40 percent.
That's because much of the CO2 ends up in the oceans, as the gas dissolves in water. Oceans, therefore, help slow global warming - but that help comes at a price.
Answer:
advice them not to go to the place where is dangerous in the ocean because it can harm them
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