For most people that's the wrong question. If you have capital that can be applied to long term resolute ideals you likely don't have to worry about capital in general. We all know fossil fuels have have an expiration date. We can easily state that money invested in building next generation power acquisition, delivery and storage will displace them. But again, you need a stack of chips to play.

This is a good idea, unfortunately when it comes to investment it is not enough for a company to be in the right track. It also needs to dominate the market, which is more difficult. For example, lots of companies were created in the Internet bubble, but only a few survived and came to dominate the market.