Water pollution is caused by the intentional or unintentional release of toxic chemicals/materials, contaminants and harmful compounds into various bodies of water such as rivers, lakes and the ocean.

Without proper disposal or filtration of these pollutants they can spread throughout the water and effect all living animals and organisms that come into contact with it by contaminating any living thing that requires water for survival.

In addition to harming animals water pollution can also affect plants, trees, the soil and other natural materials and resources of the earth.

If you would like to limit the amount of pollution you produce and thus help keep the oceans, rivers and lakes clean there are a number of things you can do.

Keep your car well maintained and immediately service it if you notice any oil leaking from the car
Replace your air fresheners with eco-friendly candles, incense and/or potpourri
Purchase environmentally friendly cleaning products that do not harm the land if they happen to be flushed or emptied into a drain
Reduce the amount of power you use and purchase energy saving light bulbs and appliances. This helps reduce the amount of emissions being released by utility companies and your own home products.
Conserve your water usage and don’t leave water running when you are not using it
Reduce, recycle & reuse materials that you have purchased. Plastics and papers may be sent to the recycling bin while some of your glass materials may be able to be reused or re-purposed
Make sure non recyclable waste is contained properly so that it does not spill into the land, street drain sewage drain
Purchase local food that has been grown from healthy agricultural farms that don’t use polluting fertilizers and pesticides
Purchase eco-friendly lawn fertilizers and pesticides for your own lawn in order to prevent your lawn from becoming toxic and prevent possible hazardass chemicals from entering street drains
Recycle old clothing by giving it away to shelters and non for profit re sellers. Not only does it lower the amount of garbage you produce it also allows you go give to a cause and help the community
Use a reusable grocery bag rather than the plastic bags offered at grocery stores when shopping for food to minimize your plastic waste
Eliminate unnecessary mail and have your bills sent to you by email. This helps protect the trees and reduce the amount of paper you have to dispose of later
Properly dispose of toxic chemicals rather than dropping them down the drain. You can do an online search for local toxic chemical disposal areas near you
As you can see there are a lot of things you can do to help reduce the amount of pollution you produce.

Even if you only implement a few of these strategies you could end up reducing a ton of waste and unnecessary garbage that is created in daily life.

          Causes need to be changed and, most importantly, our human consciousness about the cause of water pollution in Vietnam.
          Why is human consciousness the most important of environmental pollution, first referring to residential areas or households living along the river in 2013, the vast majority of whom are people People living along the river, then the daily cleaning has made the water environment worse, in recent years, the river in the area of ​​living people have been heavily polluted.
           Speaking about the consciousness of the people, there are families living all year round on boats, boats, barges ... not only their daily activities are discharged into the water but also objects that are no longer used also thrown in. River.
           The activities of the people occur throughout the year as such, the water environment in Vietnam is increasingly polluted, the people living in polluted areas or nearby residents will also affect the health. very strong.
           There are also companies, factories or factories that have escaped the environmental laws and the river is discharged into the river.
           The causes of water pollution in Vietnam just mentioned above have destroyed our environment, what we have done is that we are facing many serious illnesses and costly expenses. .

           In addition, water pollution also affects the lives of living and living plants, which cause ecological disturbances, causing some fish or plants to deplete due to pollution of the water environment. This increases the scope and thus the authorities can hardly reform.
As pollution of the water environment increases, the level of human health decreases and it can lead to pollution of the intersection of rivers and lakes, affecting marine ecosystems. .
           The major sources of pollution are Saigon Port, Saigon River, Tau Canal, Black Canal, 15, 17, 18, Thay Cai Canal, etc. in Ho Chi Minh City. Black water and bad smells made the people around and the people who were walking so uncomfortable.
           In terms of solutions, governments and authorities must place prohibition signs in places where there are many residents living near the rivers and strictly punish acts of deliberately throwing litter into the river or people living in the river. ships, boats, barges ...
           In areas where water pollution is a problem, it is important to learn about the area and to conduct the renovation and use of the technologies or to hire foreign environmental specialists who have advanced technologies to change the water source. infected in the optimal time as possible.
           The media must also include environmental information as well as solutions on how to communicate with people in the environment, especially the water environment, such as information and communication. Everybody changes their minds to keep their sanitation in common with the environment as well as the water environment in Vietnam.
           On the limitation of these solutions, it is well known that it would require a lot of money to renovate or hire foreign experts, when it comes to the causes of water pollution in Vietnam. The solution is to try to change the environment of clean water, but if our human consciousness is that, one day we will also meet the scene of such black rivers.
           Therefore, let us protect our environment and our children in the future so that we can live in a clean environment, help us improve our health and ecosystems. in water environment.

The writer's opinion is that the lack of exercise in teenagers' lives is a serious problem, caused by spending too much time on electronic gadgets and being overweight.

(Ý kiến của người viết là việc thiếu tập thể dục trong cuộc sống của thanh thiếu niên là một vấn đề nghiêm trọng, gây ra bởi việc dành quá nhiều thời gian cho các thiết bị điện tử và thừa cân.)

The writer proposes two solutions:

(Người viết đề xuất hai giải pháp)

- Making sure school canteens only serve healthy food.

(Đảm bảo căng tin trường học chỉ phục vụ thức ăn lành mạnh.)

- Giving all teenagers free membership of their local sports facilities.

(Cho tất cả thanh thiếu niên trở thành thành viên miễn phí của các cơ sở thể thao địa phương.)

Causes of environmental pollution: Wastes of domestic and industrial activities contamination, throwing garbage indiscriminately into the river, agricultural activities: use of pesticides, and fertilizers discharged into the river
Water pollution not only causes direct dangerous consequences to the health and lives of people, animals, and plants on the planet but also leads to an increasingly declining economy. Therefore, we need to treat waste before discharging it into the environment, not littering and raising people's awareness of protecting the water environment.

Mik còn 4 ngày nx à

2. Talk about cause, effect of a certain type of pollution as well as solutions to this problem (water pollution)

Water pollution can be defined as the contamination of a stream, river, lake, ocean or any other stretch of water, depleting water quality and making it toxic for the environment and humans. It can occur in many ways: industrial activities like dumping waste which drains in the fresh water make it polluted; or agriculture activities like using pesticides, herbicides....; and the garbage that we throw everyday. And it effects seriouslly. First, water pollution truly harms biodiversity and aquatic ecosystems, makes the creature sick or even die. Next, it has very negative effects on human health because it is the cause of many diseasessuch as diarrhea, cholera, skin infections.... or dehydration because of lacking of fresh water. Besides, it destroys environmental landscape,..etc. But we can reduce water pollution in many effective ways like reducing the amount of water we use, having green agriculture or throwing rubbish into right places..... Water pollution is a serious problem, but we can solve it if we try hard!

1.

Fifty years ago, the tools we rely upon to communicate today were only science fiction. Today, you can purchase a smartphone and make calls, surf the Web, play games, run applications and accomplish more than most speculative fiction authors dared to dream. So what's next?

In the short term, we'll likely see basic cell phones slowly fade away. As smartphones become more common and less expensive, more people will adopt them. The process is gradual. As with most new technologies, a group of enthusiastic adopters lead the way. Sometimes, the general population will follow the early pioneers -- the compact disc is a good example of such technology. In other cases, the early adopters end up owning technology that becomes obsolete without ever finding wide acceptance -- like LaserDiscs.

Smartphones seem to be in the first category. Products like the Apple iPhone and Google's Android operating system have pushed the smartphone out of the world of gadget geeks and into the mass market. In 2010, the first 4G smartphone for a major carrier in the United States made an appearance. It was the HTC EVO 4G, running on Sprint's WiMAX network [source: CNET]. The 4G network allows for faster data transfer speeds than other networks.

The Internet will continue to play an increasing role in communication. Voice over Internet protocol (VoIP) already plays a large role in several communication products and services. Sites like Facebook and Twitter allow users to communicate with networks of people. With the rise of the Web, people now have a platform from which they can address the world. In the past, only celebrities and politicians could address so many people at one time. Now, anyone with an Internet connection can do the same thing.

This may lead to changes in everything from entertainment to politics. Using the Web as a communication tool, people with aspirations may be able to find an audience more easily than ever before. It may not be long until a relatively unknown person uses the Internet to win enough support to be elected president of the United States.

So far we've looked at some fairly mundane advances in communication. But what about the distant future?

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