Transcript
Risks Rights Responsibilities
Large Dams
o Generate hydropower
o Supply water
o Control flooding
United States Hoover Dam
Dedicated on September 30, 1935 by
Interior Secretary Harold Ickes, who
declared “Pridefully, man acclaims his
conquest of nature.”
Trillion cubic meters of water
China: Three Gorge’s Dam India: Hirakud Dam
The Weight of the World’s Dams
Speed of the earth’s rotation
Tilt of the earth’ axis
Shape of the earth’s gravitational field
Dams have caused flash floodsItaly’s Vajont Dam In 1963 a 330 foot wave rushed over the top of the dam
into the valley below and drowned about 2,600 people.
Dams can cause earthquakesChina’s Zipingpu Dam
is 500 meters from a fault line.
Some believe it caused the Sichuan earthquake in May 2008, a 7.9 magnitude temblor, killed about 80,000 people.
World Population of Dams by Country
Protesters in India
Where do we go from here?
Energy Production by Sources
Risks Rights Responsibilities
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