Page 483 - 1970S

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SIL FUELS-
impacf
on
our Worid
Oil literolly mokes the world go round,
being o vital trode ítem in the world econ–
omy (bottom). lt is one of the world's
lorgest industries, providing tronsportotion
ond powering utilities (top left). Oil olso
has coused grave oir ond water pollution
problems (below).
Coal is also a mejor world industry.
lt
is mostly used to fuel industry and power
plants (top right). Strip mining for coal
(bottom right) has devastated millions of
ocres- the bulk of them unreclaimed -
in the U. S. clone. To uncover coal, some
shovels excavate 200 tons of earth in one
bite (right center).