https://www.youtube.com/watch?v=Zk11vI-7czE&t=1201s explain in your own words how humanity should meet its energy needs while at the same time protecting Planet Earth. Where and how should humans

 explain in your own words how humanity should meet its energy needs while at the same time protecting Planet Earth.

Where and how should humans harvest the energy needed/desired to maintain 21st-century lifestyles?

What are the alternatives?