The sixth species of environmental protection who started writing composition writing adviser (familiar ecology)
essay topic
Earth since its inception, has been 4.6 billion years, 46 million years long years, it built such a nice spring daytime today, a better earth mm human life world. However, as smart folk do silly actually mar the environment survival; protective forest deforestation, indiscriminate annihilating of wild beasts, fishing,toronto escorts, blind exploitation of underground mines, indiscriminate discharge of industrial wastewater hh So Oasis vanished, soil erosion, and desertification, and wrong weather, the ecological imbalance of the hh environmental pollution and ecological damage have become major issues of world concern. Today, human discovered that resulting in habitat of savage
or habitat detriment and deterioration of alive conditions, coupled with the abuse of people fishing and hunting wild animals, many of the world's species of wild plants and animals have become extinct or endangered.
International IUCN Endangered Species issued in 1996, about 10,000 kinds of woody plants, the endangered species of almost 6%, of which about 1000 species in peril. every 24 hours there are 150 apt 200 kinds of biological species not portioning the earth, along apt file shows namely the current rate of species extinction on Earth formed faster than 100 periods. China is a country very rich wildlife, merely the diversity of China is facing a caustic menace. angiosperms,beijing escort, there are 1,000 kinds of endangered species, 28 species of critically endangered species; gymnosperms 63 endangered species, 14 species of critically endangered species, 1 species have convert extinct; vertebrates there are 433 intimidated.
7, versed with the dust
tempest, too known as dark storm, happened in a abandon area varieties of natural phenomena. a great digit of abandon sand, the sand is the source of dust storms, sandstorms in spring with a compel winds.
the elapse centenary, deserving to human over-reclamation, overgrazing, deforestation, the plant was severe damage to large tracts of land into bare land,flying a beauteous nightmare. students likewise in association with these trees, with the accelerating desertification, dust storms have gradually inflated the coverage, the extent of dust storms have gradually additional the spring of .2000, the chief of Beijing eight consecutive aggressions were sandstorms. According to scientists enumerated in a grassland, scraping away the topsoil 18 cm thick, about 2000 years time; such as the grasslands into farmland, just 49 years; if bare land, equitable 18 years. from the dust of the Origin and Development point of view, the erasure of the environment, demolishing the plant is the maximum important occasions of dust storms. merely to defend the vegetation, to discourage land desertification, dust storms can really dilute the harm.
dust storms in China Yu acted the calamity can be said that pang. According to the experts Statistics From 1952 to 1993, the Northwest zone of the frequency of dust storms is: 50 years 5, 60 years 8, 70 13, 80, on behalf of 14; in 1993 there was a drastic black storm events. After , April and May every annual, take area at fewest once in Hexi Corridor, and in 2000, is a row 8 times. According to the authoritative specialists in 10m20 years, the face of increasing population, the ecological surroundings has become increasingly deteriorating situation, If effective fathom are not taken, China's dust storm frequency, intensity and degree of impair may be exacerbated still beyond. (b) writing
1. rational dialectical annotate.
among environmental protection and social evolution there contradictions, properly handle the incompatible absences of the rational thinking of pros and cons, nice logical analysis of problems students can present a number of universal environmental issues of their own views and fancies. prop views which are feasible, at the peak of makes sense. But have to be remove, environmental protection and economic development should be neck and neck. Without economic development, environmental protection can not be implemented; and Zhigu economic development, is not conscious of environmental protection, and because peoples is undoubtedly a suicide. in writing to disburse attention to the dialectical look at.
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Keywords: composition
Date: summer reading stars Next: September 16, 2009
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