文档介绍：Caring for Our Earth
制作者{讲解}:…….
*current situation
*pollution and effect
*measures
Some
shocking
images
Water pollution
Air pollution
Cut trees
We can't live without clean water causes many kinds of diseases such as diarrhea [[,daɪə'riə] n. 腹泻,痢疾],enteritis[ [,entə'raɪtɪs]  n. [内科] 肠炎,] etc. And sometimes these diseases even take man’s life.
Air es from factories, power stations and cars. Chemicals in the smoke from power stations cause a lot of damage.
Now in some places of our country, a number of people have been cutting down the trees in the forests because they need wood and more farmland. The areas of forests are getting smaller and smaller. Some scientists say that there will be no vast forests in 20 or 30 years
What should we do?