What do you think is likely to be the biggest source of ‘clean’ energy in the near future?

Question: What do you think is likely to be the biggest source of 'clean' energy in the near future?
- Keywords:
  energy,
  environment,
  future
Asked by Not Evan to Alistair on 14 Mar 2019.
- Alistair McConnell answered on 14 Mar 2019:
  
  That question is great and one I have seen debated and discussed so often at Uni and elsewhere.
  I think it depends on the region and weather conditions, if its a place with a lot of sun or at least constant sun then solar, if a lot of wind or by the coast wind or tidal.

Question: What do you think is likely to be the biggest source of 'clean' energy in the near future?