POLLUTION AND ITS ABATEMENT

Pollution is the release of something undesirable to the environment. By undesirable is meant something that is either harmful or unpleasant to some person, place, or thing. The industrial fumes that are destroying the stone artwork on the castles and cathedrals in Europe and the smog in the Los Angeles area are examples. 

But tell me, nymphs, what power divine Shall henceforth wash the river Rhine  

When horses were still the chief mode of transportation in New York City, it is estimated they daily deposited 2,500,000 lb (1,100,000 kg) of manure and 60,000 gallons (200 m3) of urine on the streets.4 Think of what it might be like today if the internal combustion engine had not been invented. 

And pavements fanged with murderous stones, And rags, and hags, and hideous wenches, 

Ye nymphs that reign o er sewers and sinks, That river Rhine, it is well known, 

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