The environmental lobby has tried to turn climate change into a social justice issue even though its anticarbon policies disproportionately harm the poor. Honest Democrats are starting to admit this, as we saw in this week’s stunning revolt in the California legislature.

Jerry Brown doesn’t have much to show for his second turn in Sacramento, and of late he has focused his legacy attention on reducing carbon emissions. The Governor hailed California as a model of green virtue at the Vatican this summer and had hoped to flaunt...