关于环境污染的英语ppt！
由于人们对工业高度发达的负面影响预料不够，预防不利，导致了全球性的三大危机：资源短缺、环境污染、生态破坏。环境污染指自然的或人为的向环境中添加某种物质而超过环境的自净能力而产生危害的行为。（或由于人为的因素，环境受到有害物质的污染，使生物的生长繁殖和人类的正常生活受到有害影响。）由于人为因素使环境的构成或状态发生变化，环境素质下降，从而扰乱和破坏了生态系统和人类的正常生产和生活条件的现象。美国进口普卫 欣天 猫Because people do not expect, the negative influence on the highly developed industry to prevent negative, has caused the global three big crises: the shortage of resources, environmental pollution,ecological destruction. The pollution of the environment refers to the natural or man-made add somesubstances into the environment more than the self purification capacity of the environment and harmbehavior. (or due to human factors, the environment contaminated with harmful substances, so thatgrowth and reproduction and human normal life biological adverse effect.) Because the human factorchanges the form or state of the environment, environmental quality decline, thereby disrupting anddisrupt the normal production and living conditions of the ecological system and human phenomenon.
标签：ppt,环境污染,英语
