"All coal mining should be halted and all coal burning should be banned immediately."
How do we make up for that immediate 54% loss of electricity? Rationing?
"We need to switch to 100% direct solar power immediately."
I work in the solar industry. I support renewable power. I also understand our country receives less than 1% of energy consumed via solar. If we started a crash program tomorrow, imagine how much fossil fuel would be consumed and how many open pit mines would be started just to create the panels themselves.
If we put every non-essential thing aside (such as movies, sports, fashion, varieties of foods, consumer goods, and so on) in favor of your immediate shift, two questions arise: 1) how long will it take to make the changes, and 2) how long until civil war breaks out among a population desperate for electricity to support their families?