Matthew Kratter’s Bitcoin University is one of the best sources for learning about Bitcoin. Matthew covers all the main topics including What it is, How it works, Energy and News. He also does a great job debunking Bitcoin myths.
There is also a lot of free videos on his YouTube channel.
Debunking myths: Bitcoin is good for criminals and Bitcoin wastes energy.
To learn more about Bitcoin’s energy and electricity consumption check out the University of Cambridge Centre for Alternative Finance. They have a whole section dedicated to Bitcoin including this comparision page.
Note: Daniel Batten follows the CCAF and have some important comments about their data related to Bitcoin use of renewables.