A) Better wood stoves
B) Greater afforestation
C) Efficient wood extractions
D) Using alternative energy sources like solar energy
Correct Answer: D
Solution :
[d] Nearly two billion people in the world depend upon wood for cooking and heating. This leads to deforestation' which ultimately results in soil erosion and silting up of the dams. But this fuel wood crisis can be overcome by using alternative energy sources like solar energy.
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