| echnology
: —
Ÿ
;
The conict between our dependence upon
the life—supporting quahtres of
‘
_
Water and the mounting pressure placed on water resources by waste disposal
'ï’j
_
is—more sharply dened when we turn from ocean to fresh water pol— '
This ‘COni‘0t can be seen more clearly if we consider the popular ele— ’
»
_
of the human body to a factory. Both the body
"'
__g…andçthe factoryprocess certain raw materials in order to create usable pro—
F
-
to be consumed elsewhere in the body or manufactured
be;Consumed elsewher—e in the commercial system. As young
school
the body and the factory excrete unusable portions
_
of
raw materials as waste. Unfortunately, usually teachers
the analogy here, with the wastes left to fend for them—
waste products is often regarded as unimportant, when;
1n
at the heart of the lesson. Frequently, wastes from
both the factŒy‘êandre bod end u in the water which is one of the crucial
ÔÏ”}}fa“*
r aw
iS{len‘taken
both structures, contaminated With
, _}‘ 1
m1purrües
with essential—production processes. The difficuky is
…
be devised relatively quickly to remove
the 1mpur1tres
industrial use;the capacity of the human body
and
of other
wasteshas developed over evolutionary
tune, and these
bodily defense mechanisms can be
overwhelmed by
in
uantities or in chemical forms
a
are new t°
illustrates the crucial d1f- ”-î
.
ference between life and the industrial
by that life.
.
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