Sources I must use:
Two out the three I attached as pdfs
Two that can be any other source

Sources I can use:
https://www.sciencedirect.com/science/article/abs/pii/S0926669019305382

https://ecavo.com/alternative-energy-sources/

https://link.gale.com/apps/doc/A652742271/AONE?u=lincclin_mdcc&sid=AONE&xid=f28f97bc

https://www.youtube.com/watch?v=7CQ4ihX2z7Y

https://www.youtube.com/watch?v=yDBlxPf06go

https://www.youtube.com/watch?v=zm0jslIE1kk

https://link.gale.com/apps/doc/A647748072/AONE?u=lincclin_mdcc&sid=AONE&xid=8adecff4

https://link.gale.com/apps/doc/A646574748/AONE?u=lincclin_mdcc&sid=AONE&xid=5c0cc943

https://www.gov.uk/guidance/wave-and-tidal-energy-part-of-the-uks-energy-mix
We have evolved passes using only coal and natural gases.

https://www.iaea.org/newscenter/multimedia/videos/nuclear-power-the-road-to-a-carbon-free-future
Nuclear power is constant, and can work with other renewable sources. Need a vast area, can be dangerous, but many regulations are put in place.
https://www.eia.gov/energyexplained/nuclear/nuclear-power-and-the-environment.php

Hydrothermal liquefaction
https://www.sciencedirect.com/science/article/pii/S1364032117308146

https://www.energy.gov/articles/top-10-things-you-didnt-know-about-hydropower