The graph shown below indicates the per head consumption of energy. If it is going on in this manner, there will be an energy crisis in the nearby future. So suggest an alternate way to face this situation.

Explanation

i. Limited use of fossil fuels.
ii. Use of smokeless and efficient wood stoves.
iii. Exploitation of solar energy.
iv. Use of biogas plants.
v. Generation of hydroelectricity from wind and tidal power.
vi. Growing fuel wood trees and shrubs.