Why major unions are wary of the move to wind and solar jobs

President Joe Biden wants to quickly move the United States toward clean energy jobs in wind and solar. But unions — some of Biden’s strongest allies — are skeptical about the transition to green energy.

Biden and congressional Democrats are poised to introduce a large infrastructure plan that is supposed to deliver on two promises: putting job creation into overdrive and decarbonizing the economy, with an aggressive goal of getting America’s electricity sector powered by 100 percent clean energy by 2035.

To achieve both goals, the administration is betting on...