the most serious problem in the world is pollution. water is the source of life. we can't live without water. but now some of the drinking water has become polluted and is diminishing. something must be done to stop the pollution. it's our duty to save water. we should stop factories from pouring waste water into the river. we should plant trees in order to keep soil. if we don't save water, the last drop of water will be our tear.
the most important question in the world is pollution, but we know water, like air is very important to living things because all animals and plants need water. we, like fish can't live without water. we need it to drink, cook, and clean ourselves. we need clean fresh water, but we are polluting the lakes and rivers. our drinking water is becoming less and less. if we continue to do things like this, we shall destroy ourselves.
i think we should follow the rules. don't throw food away. we try to make a good habit. i know it's our duty to save water. so we should save water and protect eh environment.
now water pollution is the most serious problem. we can't live without water. water is life. so i think we should do something go save and protect water.
one: turn off the shower while you are washing your hair.
two: we can use the water that has washed vegetables to water plants
three: when you see someone is wasting water, come over and stop him.共3页123
four: don't pour the rubbish into the river.