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......
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Approximate Word Count: 1250
Approximate Pages: 5 (260 words per double-spaced page) |