At one time renewable energy was expensive, but not any more. The cost of solar panels in particular has dropped dramatically. The cost of wind turbines is also much less expensive.
What is lagging behind is distribution and storage.
Home storage and mass storage batteries are becoming less expensive and their capacity increasing. I am sure with proper investment these could be dramatically improved. Give it a few years. Already 9% of the world's energy comes from solar panels. My guess is this will be over 50% in 10 years.
If storage and distribution also advance, I think we are on the foothills of a major revolution. Imagine energy that does not pollute! We are not there yet, but it is coming.
Oh of course climate change is fake news according to the US president!! Silly me 😄. Unless the USA wakes up, it is in danger of being left behind in a major way.
See https://en.wikipedia.org/wiki/Renewable_energy
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