Question

Which of the following is a disadvantage of Hydro Power?
(a) They cause deforestation and affect wildlife
(b) They cause harmful emissions
(c) They are an unstable source of energy
(d) They are not suitable for long-distance electricity transmission​

Answer 1

Hydropower cause harmful emissions of gases. (option c)

Explanation:-

• Emissions of Carbon and Methane
• While there are no emissions from the plant's actual energy output, there are emissions from the reservoirs it creates. At the bottom of a reservoir, plants begin to decay. Plants also produce enormous amounts of carbon and methane when they die.

Other disadvantages are

• High Upfront Capital Costs
• Might Cause Conflicts
• May Lead to Droughts
• Risk of Floods in nearby villages.