Ocean marine pollution is from domestic sewage and municipal refuses. When the pesticides went into the marine ecosystem, they quickly become absorbed into marine food webs. Once in the food webs, these pesticides can cause mutations, as well as diseases, which can be harmful to humans as well as the entire food web.
About 60 percent of cities are polluted in China. The rubbishes are everywhere. And the air pollution is also very serious. Exhaust fumes, household garbage and industrial refuse all can make our city dirty. So, don’t spitting ,don’t litter, don’t graffiti on the wall!Forest
The forests are being destroyed now. Acid rain, big fire and saws always break the forests unfeelingly, so, they are in danger . The number of forests are becoming less and less. Let’s plant trees and protect the forests together!River
There are many things in the river, like newspaper , oil, chemicals and heavy metal. If we drink the water that’s from the polluted river, we will get sick or die. And the plants which is near this river will die. So, don’t sewage effluent into the river!
Although the world develops much faster and better, the resources on the earth get fewer and fewer.In order to protect them,something must be done.
Save water. Water is the source of life. No water, no life. So it's very important for us to do so.Not only should we protect drinking water and stop polluting it, but also make full use of it.
Save electricity. It is crucial. We can't imagine what the life will be like without it.Everyone should do his best to save electricity. Don't forget to turn off lights or other electric machines when we finish working.
Save forests. They are useful .Please stop cutting them down and use recycled paper instead. Make our world a green one to live in.
Recycle useful rubbish. Plenty of rubbish can be recycled like cans,paper, bottles, and so on. We can save resources in this way.
This is the earth.The green part is land.The blue part is sea.The white part is clouds.Our earth is very beautiful and interesting.There are rivers, streams, seas and lakes.There are hills and mountains.There arejungles and forests.There are many countries and cities.There are many people live in them.Do you think the earth is very wonderful?Many years ago, the earth is very clean.But nowadays there is much pollution on the earth.There is air pollution, land pollution and water pollution.People are cutting down the forests.Many wild animals, birds and insects lose their homes.It's very cruel.
People are polluting the land, the water and the air.People must stop doing this.We must save the earth.We must save our home.