This paper takes part in the series essay competition of “great science” of Recordunkown.
The earth is not only the home of human beings, but also a world of oceans. On the vast surface of the earth, 71% of the area is ocean, while land accounts for only 29%. Water is the source of life. It is precisely because the earth has a large amount of water resources that early life was born 4 billion years ago and human beings evolved over a long period of time.
Although the ocean will bring some danger to human survival, but the earth’s ecological cycle, the survival of life is inseparable from the ocean. To protect the marine environment is to protect the earth’s ecology, but also to protect ourselves. If the ocean is completely polluted, then life on the earth may not survive, and human beings may lose the beautiful home of the earth.
Before human beings entered the industrial age, the natural renewal of the marine environment has always been very clean and beautiful. However, since mankind entered the industrial age, everything has changed. Science and technology has made our quality of life higher and higher, and also enabled mankind to go out of the earth and explore the universe.
When science and technology bring us many benefits, it also brings us serious damage, that is, the ecological environment is constantly polluted. A large number of pollutants such as waste gas and waste water from industrial production are continuously released into the atmospheric environment, which makes the whole earth’s ecology worse. Industrial and technological products bring a lot of carbon dioxide and greenhouse gas emissions, but also let the earth’s temperature rise, which has brought a variety of natural disasters.
The ocean is the most important regulating and buffering valve of the earth’s ecology, but with the continuous progress of human science and technology, the ocean is also hard to escape, and it is also gradually polluted by various kinds of human creations, among which the most serious pollution is the plastic that can be seen everywhere in our daily life.
I believe everyone is familiar with plastic. We have to deal with it every day in our daily life. The appearance of plastics is indeed generous and convenient for people’s life, and has brought many benefits to human civilization. But plastic is a kind of polymer fossil synthesized by human beings through chemical reaction.
This kind of high molecular compound is difficult to be decomposed naturally in nature. It will take at least 100 years to complete the degradation by nature. This time for the earth’s ecological deterioration is very serious, so once we waste plastic into nature, it will exist in the form of garbage for a long time, and continue to pollute the environment.
Some people may say that since we know that plastics are difficult to degrade naturally in nature, they should be recycled for centralized treatment, so as to avoid environmental pollution? The ideal is very beautiful, but it is very difficult to realize, and the recycling of plastics is very difficult.
According to statistics, the annual production of plastics in the world is as high as 300 million tons, more than half of which are disposable. And can be recycled only a few, most of them have to be discarded into the nature, so much plastic accumulation, has become everyone’s white pollution. Some people may have said that people use a lot of plastic every day, but why don’t we see much on land? Where are they?
These plastics have not disappeared. The reason why we don’t see much of them on land is not that they have been recycled, but that they have entered the ocean in large quantities. Yes, a large part of the plastic discarded by human goes into the ocean and pollutes the marine environment.
According to the statistics of scientists, from the 1950s to the present, mankind has produced about 9 billion tons of plastic, of which 130 million tons have entered the ocean. And with the development of human beings, the demand for plastics is also increasing, and the amount of plastics entering the ocean is also increasing
I believe many friends know that there is a “garbage continent” in the ocean. This “garbage continent” is formed by at least 3 million tons of plastic garbage. At present, the area has reached 1.6 million square kilometers, and it continues to grow rapidly. If only the shallow sea level is polluted by plastic, scientists will not worry too much, and the plastic waste on the sea level is easy to clean up.
However, in the later research and exploration, scientists found that plastic waste is no longer limited to the sea level and the shallow position of the ocean, but began to develop deeper and deeper. The earth is an ocean world, the deepest reaches 11000 meters, which is the Mariana Trench.
The Mariana Trench is known as the earth’s abyss by scientists, with the deepest depth of 11000 meters. The water pressure here has reached 1100 atmospheres, making it a place hard for human beings to reach. Of course, with the continuous progress of human science and technology, relying on powerful submersibles, there are still very few people come to this abyss.
At the depth of 11000 meters, we saw a small number of lives, once again let mankind witness the miracle of life. We have to say that no matter where we go, we can see the shadow of life on a planet like the earth. This discovery is undoubtedly very happy for scientists. However, what was discovered later made scientists not happy at all, but full of endless worries.
So what did scientists find in the deepest part of the Mariana Trench? It’s not something mysterious, it’s plastic that can be seen everywhere. Yes, human plastic waste not only pollutes the surface of land and sea, but also now even the deepest seabed.
Since plastic can be found at the bottom of 11000 meters, it means that the range from the surface of the ocean to the deepest part of the sea has begun to be polluted by plastic. This is not good news. It is still very difficult for human beings to explore the deep sea. Now we can only rely on diving equipment to go deep into it.
It’s far from being able to clean up the plastic waste in the deep sea. The ocean is deeply polluted by plastic waste, which is very bad news for mankind. Some people may not understand: plastic is everywhere in the ocean, what impact will it have on human beings? I believe many friends like seafood very much, and it’s also wild seafood directly from the sea.
Every year, a large number of fish in the ocean will enter the human world and become the food on people’s table. In the past, we didn’t need to worry about anything when we ate fish. We just had to rest assured. However, with the continuous pollution of the ocean by plastics, a lot of plastics enter the body of marine organisms. Although plastics are difficult to decompose, with the strong digestion ability of life, some of them will still be decomposed.
And this part of the decomposed plastic molecules did not disappear, but melted into the meat of marine life. And there’s a lot of plastic particles in the ocean, and they get into small marine organisms, and they’re easier to store in meat in the form of molecules. When we eat fish, we will eat these plastic particles together, and finally lurk in the human body.
Through the examination of human body, scientists have indeed found the shadow of plastic particles. It can be seen that a large number of human plastics enter the ocean and pollute a large number of marine organisms. When human eat marine organisms, they put plastic bags into the human body and finally bring danger to our health. Don’t you think human beings are eating evil?
I believe that after reading this article, my friends have realized how harmful plastic waste pollution is to human beings. If this situation continues and cannot be controlled, the future ocean will no longer be clean, full of pollution, and a large number of marine organisms will not survive because of plastic pollution. At the same time, the long-term consumption of these marine organisms with plastic particles will lead to various diseases.
We know that the impact of plastic pollution on human beings is so great, why not recycle and clean it up? One reason is that it’s really difficult for our technology to decompose and recycle plastics better. Another reason is that the cost of recycling is too much. Basically recycling plastics is a loss business. Take the 1.6 million square kilometers of “garbage continent” in the Pacific Ocean. If you want to completely clean it up, you need to pay a cost that one country can not afford. You need to unite the whole world.