Which among the following is / are major contributors to GHG emissions?
1. Production of Hydropower
2. Consumption of Inorganic Fertilizers
3. Burning of Coal
4. Rearing of cattle
Select the correct option from the codes given below:

Answer: [B] Only 2, 3 & 4

Hydropower generation does produces some CO2 but it is most clean energy production and hydroelectricity produces the least amount of greenhouse gases.

This question is a part of GKToday's Integrated IAS General Studies Module