environmental problems had to do with such things as the elements,
violent storms, extremes of heat and cold, darkness, the ever-present
menace of wild beasts whose flesh was their food, yet who would eat them
first unless they were quick in brain and body.
Civilization's Changes
But all that is changed. Man has subjugated all other creatures and
now walks the earth its supreme sovereign. He has discovered and
invented and builded until now we live in skyscrapers, talk around the
world without wires and by pressing a button turn darkness into
daylight.
Causes of Failure
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