As the 2024 legislative session approaches, it’s a good time to comprehend the breadth, depth and likely costs of the multiyear campaign to make Vermont the world’s splendid example of bold action to defeat the menace of climate change.

In 2011, Gov. Peter Shumlin decreed Vermont would get 90% of its energy from renewable sources by 2050. Curiously, the Legislature never acted to establish this requirement. Why not? Several years ago, a Senate bill included a ratification of Shumlin’s decree, but it was quietly jettisoned when it occurred to senators that achieving that goal might require billions of taxpayer dollars, which might be poorly received by taxpayers.