Many people have
already dammed a small stream using sticks and
mud by the time they become adults. Humans
have used dams since early civilization, because
four-thousand years ago they became aware that
floods and droughts affected their well-being and
so they began to build dams to protect themselves
from these effects.1 The basic principles of dams
still apply today as they did before; a dam must
prevent water from being passed. Since then,
people have been continuing to build and perfect
these structures, not knowing the full intensity of
their side effects. The hindering effects of dams on
humans and their environment heavily outweigh the
beneficial ones. The paragraphs below will prove
that the construction and presence of dams always
has and will continue to leave devastating effects
on the environment around them. Firstly, to
understand the thesis people must know what
dams are. A dam is a barrier built across a water
course to hold back or control water......
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Approximate Word Count: 1075
Approximate Pages: 5 (260 words per double-spaced page) |