Why would we want to pay many more people to produce much less energy?

Clean energy to create more jobs than coal: study | Green Business | Reuters

OSLO (Reuters) - A strong shift toward renewable energies could create 2.7 million more jobs in power generation worldwide by 2030 than staying with dependence on fossil fuels would, a report suggested Monday.

OECD environmental outlook to 2030 - Google Books

The combined share of fossil fuels in total primary energy use remains essentially constant from 2005 to 2030, hovering at about 85%, then drops to 80% in 2050.