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

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 flow. Dams are classified as either storage, diversion or

detention. As you could probably notice from it's name, storage dams

are created to collect or hold water for periods of time when there is

and protectors of the land can do this, future of our great human

which it can intensify. For instance if an Earthquake happens then,

are mainly built to lessen the effects of floods and to trap sediment.

The famous Columbia River saw it's stock of salmon drop considerably

along with cracks in the ground, buildings falling, there would also

There remains a problem with reservoirs which to date hasn't been

new precaution where before it was never heard of. Many people say

supply. For example many small dams impound water in the spring, for

There is another theory that dams are causing earthquakes, when

long-term prospect instead of the short-term. Until we as the users

solved yet. A reservoir is a to store water, mainly for hydroelectric

Some topics in this essay:
Effects Dams-, Colarado River, Lake Brokopondo, Inuit Lands, North American, River September, Columbia River, Recently Tasmania, World Heritage, Basin Brazil, storage dams, dams built, store water, people dams, animals plants, water flow, dams protect, dam built, supply water,