Hydro-Electricity, Waves and Tides Flashcards
1
Q
What does Hydro-electricity require?
A
the flooding of a valley to build a big dam
2
Q
What are the advantages of Hydro-Electricity?
A
reliable, low fuel costs, no pollution
3
Q
What are the disadvantages of Hydro-Electricity?
A
Big impact on the environment, rotting vegetation releases methane and CO2
4
Q
What are the advantages of Wave Power?
A
No pollution, no fuel costs, minimal running costs
5
Q
What are the disadvantages of Wave Power?
A
disturbing the seabed, soiling the view, hazard to boats, unreliable
6
Q
What are the advantages of Tidal Barrages?
A
No fuel costs, generates a significant amount of energy, reliable
7
Q
What are the disadvantages of Tidal Barrages?
A
preventing free access by boats, spoiling the view, altering the habitat
