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环境污染

更新时间:2017-04-07 15:06:48点击次数:738次字号:T|T

环境污染主要有水污染和空气污染,都是有人类活动产生的污染物造成,它包括工业污染源,农业污染源和生活污染源三大部分。

 

日趋加剧的水污染,已对人类的生产安全构成重大的威胁,成为人类健康、经济和社会可持续发展的重大障碍。据世界权威机构调查,在发展中国家,各类疾病有80%是因为用不卫生的水而传播的,每年饮用不卫生至少造成全球2000万人死亡,因此,水污染被称作“世界头号杀手”。

 

各种工业污染排放的废气以及汽车业的高速发展直接导致空气污染程度加剧,目前国内各大城市均有不同程度的污染,其中西部、华北地区因为风沙和气候的原因尤为严重导致PM2.5有招标现象,空气污染和水的污染,直接影响人民的生活,破坏生态,危害人的健康。

 

  由于人类活动改变了天然水的性质和组织,影响的使用价值或危害人类健康,称为水污染。

 

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Environmental pollution is mainly caused by water pollution and air pollution, which is caused by human activities. It includes three parts: industrial pollution sources, agricultural pollution sources and domestic pollution sources.

The increasing water pollution has posed a major threat to the safety of human production and become a major obstacle to human health, economic and social sustainable development. According to the world authoritative survey, in developing countries, 80% of all diseases is not because of the water and sanitation, unsanitary drinking every year at least 20 million people worldwide die, therefore, water pollution was known as the "world's number one killer".

The rapid development of industrial pollution of waste gas and automobile industry led directly to the air pollution degree increased, the current major domestic city have different degrees of pollution, including the western and Northern China because of wind and the climate is particularly serious cause PM2.5 bidding phenomenon, air pollution and water pollution, directly affect people's lives, the destruction of the ecological that is harmful to people's health.

Because human activities have changed the nature and organization of natural water, affect the use of value or harm human health, known as water pollution.

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