求翻译：大肆砍伐树木、建立化工厂、胡乱排放有害液体。“对人类威胁较大的气体，世界每年的排放量达6亿多吨。。。。。；估计到下个世纪中叶，地球表面有三分之一的土地面临沙漠化的危险，每年有6平方公里的土地沙漠化，威胁着60多个国家。。。。。”看见这一组组令人触目惊心的数字，人类，你们有何感想？从2300万年到1800万年前森林古猿的出现到现在人类高度发达的文明时代，对于每个人从未停止过的索取，大自然都是“有求必应”的，这更滋长了人类的贪欲。是什么意思？

Wantonly cut down trees, the establishment of chemical plants, indiscriminate discharging harmful liquid. "The larger gas on human threats, annual emissions of more than 600 million tons of the world.. ... Estimated by the middle of the next century, one-third of the land surface of the Earth in danger of desertification in each of the 6 square kilometres of land desertification and threatening more than 60 countries.. ... "See this group of shocking figure, man, what do you have? Dryopithecus from 23 million to 18 million years ago to the emergence of highly developed civilization of mankind now, never cease to obtain for everyone, nature is to be "responsive", which grow human greed.