Environment is the earth,the only planet and home for the human race.No one will doubt that we can ever survive while the land,water and atmosphere are seriously polluted.
However,this is the situation we are facing today.Every day,every hour,the air,forest,soil,oceans and fresh water are becoming dirtier and dirtier with increasing speed,which threatens our existence.
Preserving the environment is of crucial importance to mankind in the modernized 21st century.We must take immediate measures to fight against pollution.