The environment

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One of the main causes of the earth's troubles is that the world is overpopulated and that this overpopulation is growing at an ever-increasing rate.At the same time we are using up our natural resources--fuels and mineral ores-at an ever-increasing rate with no hope of replacing them. For many years the earth has been unable to provied enough food fo these rapidlu expanding populations,and the position issteadily deteriorating since the fertility of some of our richest soils has been lost and vast areas that were once fertile lands have turned into deserts.And the trouble with desrts is that they tend to creep outwards on to the fertile soils .What is onew the northem Sshara Desert fed much of the civilized world 2500 years ago. Even at this monent many of the earth's natural treasures are being destroyed,many valuable animals and being killed off,and it is becoming increasingly difficult to grow enough food to preserve much of the earth's population from starvation.The situation is getting out of hand .Time is running out .But with your help,we may be able to reverse the trends which threaten our very existence