问答题
Pollution is a problem because man, in an increasingly populated and industrialized world, is upsetting the environment in which he lives. Many scientists maintain that one of man"s greatest errors has been to equate growth with advancement. Now "growth" industries are being looked on with suspicion in case their side effects damage the environment and disrupt the relationship of different forms of life, the growing population makes increasing demands on the world"s fixed supply of air, water and land.