Я обычно пишу с предисловиями
We know that since ancient time Nature has served Man,being the source of his life.For thousands of years people lived in a hsrmony with the environment.But now large cities with thousands of smoky industrial enterprises have appeard all over the world.The by-products of their activity pollute the air we breathe,the water we drink,tha land we grow grain and vegetables.Many cities suffer from smog.Vast forests are cut and bern in fire.As a result some rare species of animals,birs,fish and plants disappear forever,a number if rivers and lakes dry up.
We should protect our nature.We must know that our life depends on the nature around us.We must do what can to keep it clean.Forests are very important to us.We need them.The trees and other plants help to keep the air fresh.They give us wood,fruits and many medicines.People shouldn't cut down forests,trees.We shouldn't kill animals and birds.
The climate is changing now and many people have to change their way of life.For example,in some counties people wanted to make electricity.They change the direction of the rivers ,they build dams.The change the direction of the water underground.This result in the changes of climet.
People all over the world are worried about what is happening to the environment.The understand that the ears is their common home, a big green home.The environmental pritection should be our universal concern.The international organization Greenpeace is also doing much to preserve the environment.