Environmental Pollution－－oscar

During the last century, the environmental has suffered from various types of human related pollution, yet people have made attempts to help revers the effects of pollution on the environment. Despite these efforts, there have been some recent environmental setbacks. There are three main causes for environmental pollution, air pollution, water pollution, and land pollution.

One cause of environmental pollution is air pollution. First of all, factories produce waste gas into air. Some factories in developing country without flue-gas desulfurization are very danger, because waste gas can cause blood pressure to rise to dangerous level. The second example is automobile exhaust. Vehicle emissions contribute 60 to 70 percent of pollution in Beijing, and there pollution usually stay in the air for three to four days.

Another cause of environmental pollution is water pollution. There are two examples. First of all, factories discharge sewage in the river and ocean. Second example is household sewage. Most of the river’s pollution today comes from untreated household sewage, such as soap, detergents, and leftover.

A third cause of environmental pollution is land pollution. Land pollution is mainly caused by the dumping of garbage everywhere and excessive mining. First is garbage. Nowadays, household waste in China can mainly be classified into four kinds: kitchen waste, toxic waste and other waste. Second example is excessive mining. People mined too much oil, natural gas and coal, and environmental damage is price.

Therefore, air pollution, water pollution and land pollution are three main causes for environmental pollution. Fortunately, there are some ways, such as use public transport, hybrid cars, build Wastewater Treatment Plants (WWTPs) and recycle garbage, can make our environmental better.