Every dollar of electricity generated from coal costs several dollars worth of health problems, its a net negative for a nation before you even consider climate change. Basically anything else is a better and cheaper option.
The only current problem with wind and solar in the US is the lack of it. There will need to be changes as it gets to a higher percentage of the grid but we already have various solutions for that, the main reason for not rolling out the solutions is the lack of problem to solve.
The only current problem with wind and solar in the US is the lack of it. There will need to be changes as it gets to a higher percentage of the grid but we already have various solutions for that, the main reason for not rolling out the solutions is the lack of problem to solve.