environmental impact and health risks in Thailand.
In many countries around the world The rapid growth of urban population. That is why the local authorities. Could not care And provide basic services to citizens, such as adequate housing, the sacred precincts and sanitation. The surrounding farmland You can not meet the demand In food consumption Materials such as natural water sources. It does not serve the waste from humans. And industrial plants The discharge into As a result, there are more illnesses. Both in urban and rural areas, as well as affecting the ecosystem. In the next century These issues are an integral component of the city. A rapid growth in the year 2025, the urban population of Asia is expected to reach 2.5 billion people are three times as many as in 1990, even in the 87 Asian cities. cities (38 cities in China, India, 23 cities) all have a population of over one million people in Latin America. There are more Asian cities While Africa has less than In the world not only big cities have an increasing number only. But the city is smaller. The larger At a rapid rate as well.
The World Bank study estimated that the cost for humans caused by air pollution. And water pollution in many major cities in the world. The death toll as high as 10 per 1,000 patients, many millions of people. Patients have become tougher each year in lost productivity of the people. And buildings Has deteriorated into tens of billions of dollars in each city.
In today's world Urban poor Will be paid to the improvement of water quality, water supply, sanitation and solid waste collection. An important issue is Because they Interest expense, then Acting as the illness From drinking contaminated water. The fuel for boiling water Or by buying water from vendors, hawkers. Which often are high as 2-12 times the cost of the middle class. And elites to pay To utilities It is estimated that The economic value From harmful air pollution. On health will reach 3-10% of the urban population