环保常识(国外英文资料).doc

环保常识(国外英文资料) Brief introduction of green Volunteers Association of Mudanjiang Medical University Explanation of environmental terms China Environmental Award is China environmental protection social rewards, the purpose is to improve the whole nations awareness of the environment, promote public participation and support of environmental protection, through the selection of the party and state policies on population, environment and resources to better implement to all walks of life, down to the grassroots, to the implementation of the masses. First, what is acid rain? Acid rain is defined as rain, snow, frost, fog, or other forms of atmospheric precipitation with a pH value of less than 5.6. At present, China has become the third serious acid rain pollution area in the world. The chief cause of acid rain is sulfur dioxide, which comes from the burning of sulfur containing coal and oil. In recent years, China has emitted more than 20 million tons of sulfur dioxide into the atmosphere every year, and it is increasing year by year. Two, what is light pollution? Light pollution is generally divided into 3 categories: white light pollution, artificial daylight and light pollution. When the white light pollution and the sunlight are intense, the glass curtain wall, glazed brick wall, polished marble and various coatings reflect the light of the buildings in the city, which is bright and dazzling and dazzling. Experts found that, for a long time in the white light pollution environment, work and life of people, the retina and iris are subject to varying degrees of damage, visual acuity dropped sharply, cataract incidence rate as high as 45%. Also make head confused, and even insomnia, loss of appetite, depression, physical weakness and other symptoms of neurasthenia. In the summer, the strong reflection of light from the glass curtain wall enters the nearby residents buildings, increasing indoor temperature and affecting normal life. Some glass curtain walls are semi circ