【正文】
oned question, this precondition is also very important. Who are we? This is a question, which should be answered not only by those specialists, but also by every one of human beings. Some people may proudly say: we are the masters of nature. It is true that the idea of man can conquer nature has dominated peoples mind for years, and it is true, man has kept acting like a master and doing whatever things he wants for thousands of years. However, as the consequence of this kind of leadership , now the master seems to be confronted with problems that are far beyond his control. Facts are really very ample. The green house effect leaves islands and cities along the coast, such as this oriental pearlShanghai, in danger of the disaster of being drowned。最新保護環(huán)境英語演講稿 保護環(huán)境英語演講稿篇1 as we all know, the challenge and opportunity always, confused with hope, in the 21st century, is also twin human facing challenges period. special performance in this aspect of the relation between man and nature. human deforestation, blind development farming, damaging the vegetation, causes soil erosion, desertification, any natural resources, make the underground mining mineral deposits in the increasingly exhausted, wastewater and waste, exhaust gas emission, make continuous natural environment seriously deteriorating. human nature is excessive to take, suffer the nature ruthleretaliation: hurricane, rainstorm, storms, floods and drought, insect, heat, forest fires, e