Answer:
I do believe humans will always destroy the Commons that are shared.
Explanation:
Homo Sapiens are very ignorant, we tend to think there is no such thing as a limit. We also take action out of emotion, such as spite, jealousy, anger, or just want. If you can't have it, they can't have it, if I want to drive my range Rover through my neighbors property just for fun, I'll do it because I don't think there will be any consequences, I can do whatever I want. That is often how we think.
Energy subsidies work by artificially lower the price of energy paid by consumers, raise the price received by producers or lower the cost of production I think