【答案解析】In recent years, natural environment in China worsens gradually. A chronic drought is ravaging farmland. The Gobi Desert is inching south. The Yellow River, the so-called birthplace of Chinese civilization, is so polluted that it can no longer supply drinking water．In northern China sandstorm permeates in the sky day and night in spring．In southern part flooding brings great damage to people"s life and properties．
Many factors give rise to environmental problems in China．For one thing，an increasing number of people just focus on financial benefits but ignore the protection Of environment．The rapid development of auto industry boosts the growth of economy but it makes environment worse and worse．For another，legal system cannot provide effective protection of environment to punish those who destroy ecological balance．
Some measures should be taken immediately to deal with these problems．First，people should fully realize the importance of environmental protection through education．Second，much more efforts should be made to put the population planning policy into practice．because more people mean the possibility of more pollution．Finally，those who destroy the environment intentionally should be severely punished．We should let them know that destroying environment means destroying mankind themselves．