【高分跪求】【今晚就要】上海市牛津英语九年级第一学期第一课的课文！

The young green consumer guide
This book says that our world is in danger.It is vital that we do something to save the earth.First of all,what are the threats to our environment?
The greenhouse effect
The writers ask us to "imagine the earth inside a kind of greenhouse with the atmosphere around it acting like the glass,letting sunlight in while keeping much of the warmth from getting out.The atmosphere is essential to all living things.Without it,the earth would be as cold and lifeless as the surface of the moon."
"The trouble is that our atmosphere is changing because we are polluting it with chemicals-in the form of gases-and it is keeping in too much heat!
These gases,mainly carbon dioxide(CO2),are produced by burning fuels such as petrol.The Greenhouse Effect may cause the level of the sea to rise and drown cities and even whole countries.
Damage to the ozone layer
The wri