There are more Americans working in solar than in coal or natural gas

Just in exporting the millions of tons of coal alone each year out of the United States people work in the industries that support that exportation on barges, crane operators, port workers, financial experts, railroad engineers slurry pipelines and power plants. Now add in the heavy mining equipment manufacturers, surveyors, land restoration and reclamation firms, the mining company itself, and coal processing and by product aspects and industries that add many more thousands and thousands of jobs.

Solar is a closed loop business and doesn't tie into much at all beyond real estate leasing and crane rentals and helicopter services.