Fill in each gaf with a suita

Marine Pollution

Marine pollution is a combination of chemicals and trash, most of which comes from lvà sources and is washed or blown into the ocean. This pollution results in damage to the environment, to the health of all organisms, and khổng lồ economic structures worldwide.

Bạn đang xem: Fill in each gaf with a suita


Image

Water Pollution

Pollutants are dumped into the ocean. This waste affects the daily life of fish & other marine creatures.

stockphoto-graf/shutterstock


*

This lists the logos of programs or partners of NG Education which have sầu provided or contributed the content on this page. Powered by

*


Marine pollution is a growing problem in today’s world. Our ocean is being flooded with two main types of pollution: chemicals và trash.

Chemical contamination, or nutrient pollution, is concerning for health, environmental, và economic reasons. This type of pollution occurs when human activities, notably the use of fertilizer on farms, lead to lớn the runoff of chemicals inkhổng lồ waterways that ultimately flow into lớn the ocean. The increased concentration of chemicals, such as nitrogene & phosphorus, in the coastal ocean promotes the growth of algal blooms, which can be toxic khổng lồ wildlife & harmful to humans. The negative sầu effects on health and the environment caused by algal blooms hurt local fishing & tourism industries.

Xem thêm: 5 Bài Tập Thể Hình Hiệu Quả Tại Nhà Cho Nam Tốt Nhất Không Thể Không Xem

Marine trash encompasses all manufactured products—most of them plastic—that end up in the ocean. Littering, storm winds, và poor waste management all contribute to lớn the accumulation of this debris, 80 percent of which comes from sources on l&. Common types of marine debris include various plastic items lượt thích shopping bags và beverage bottles, along with cigarette butts, bottle caps, food wrappers, và fishing gear. Plastic waste is particularly problematic as a pollutant because it is so long-lasting. Plastic items can take hundreds of years khổng lồ decompose.

This trash poses dangers lớn both humans and animals. Fish become tangled và injured in the debris, and some animals mistake items lượt thích plastic bags for food & eat them. Small organisms feed on tiny bits of broken-down plastic, called microplastic, & absorb the chemicals from the plastic inlớn their tissues. Microplastics are less than five sầu millimeters (0.2 inches) in diameter & have sầu been detected in a range of marine species, including plankton and whales. When small organisms that consume microplastics are eaten by larger animals, the toxic chemicals then become part of their tissues. In this way, the microplastic pollution migrates up the food chain, eventually becoming part of the food that humans eat.

Solutions for marine pollution include prevention & cleanup. Disposable và single-use plastic is abundantly used in today’s society, from shopping bags to shipping packaging to lớn plastic bottles. Changing society’s approach khổng lồ plastic use will be a long và economically challenging process. Cleanup, in contrast, may be impossible for some items. Many types of debris (including some plastics) vì chưng not float, so they are lost deep in the ocean. Plastics that vì float tover to collect in large “patches” in ocean gyres. The Pacific Garbage Patch is one example of such a collection, with plastics and microplastics floating on & below the surface of swirling ocean currents between California & Hawaii in an area of about 1.6 million square kilometers (617,763 square miles), although its kích thước is not fixed. These patches are less lượt thích islands of trash and, as the National Oceanic & Atmospheric Administration says, more like flecks of microplastic pepper swirling around an ocean soup. Even some promising solutions are inadequate for combating marine pollution. So-called “biodegradable” plastics often break down only at temperatures higher than will ever be reached in the ocean.

Xem thêm: Dấu Hiệu Tăng Men Gan Cao Là Gì, Nguy Hiểm Không? Triệu Chứng, Nguyên

Nonetheless, many countries are taking action. According khổng lồ a 2018 report from the United Nations, more than sixty countries have sầu enacted regulations khổng lồ limit or ban the use of disposable plastic items.


Chuyên mục: Tổng hợp