【参考译文】
Pollution has become a social problem in today'sworld because people in an increasingly populatedand industrialized world are polluting theenvironment in which they live.The growingpopulation increases the demands for the world slimited water and land.This rise in population is followed by more and more people's desire fora better standard of living.So the greater need for electricity,water and merchandise willinevitably bring about more waste materials that need to be disposed of.The problem hasraised increasing concern for creatures and their environment.