A new idea, besides a windfall tax on polluting Big Energy giants, is to make them invest their profits in their own sustainable futures. After all, these companies have a large ‘sustainability debt’ and extraordinary transition costs awaiting them.

A new idea, besides a windfall tax on polluting Big Energy giants, is to make them invest their profits in their own sustainable futures. After all, these companies have a large ‘sustainability debt’ and extraordinary transition costs awaiting them.