Environment Problems

--How to escape our world

acid rain

disafforest

hungriness

die out

The hole of ozone

greenhouse effect

Today’s topic:

What cause greenhouse effect?

The reason is –The greenhouse gas!

The greenhouse gas mass as a cover made of glass,everyday,the ground get the quantity of heat from the sun ,however, the ground can not emanate these heat out of the earth. As a result ,our world is becoming warmer and warmer.

Who product the greenhouse gas?

①The factory

②The gas of cars

③The reduction of forest

④The fire of forest

⑤Coal’s Burning

What can we do for our world?

• First, we should improve our technology, if our industry can be independent from coal, we will reduce a lot of greenhouse gas. In other word, we must find a new and cheap energy sources instead of coal.

Second, we should protect our forest. Forest

can take in one kind of dominating greenhouse gas—co2

Third, we should limit the account of cars. The cars product a lot of greenhouse gas. And too many cars not only product greenhouse gas, but also cause traffic problem and the traffic jam. we can go out by the communal transport.

In a word, we should do our best to protect our world, no matter how little you do ,you have made a contribution to our one and only motherland—our world.

Thank you!