The European Union's plan for climate neutrality by 2050 reopens the question of the role carbon pricing can and should play. Carbon pricing should not - and ultimately cannot - only be an enforcement tool or backstop that ensures targets are met, while the heavy-lifting of decarbonisation comes...

Many of the technologies that can help the European Union become a net-zero emissions economy by 2050 have been shown to work but are not yet commercially competitive with incumbent fossil-fuel technologies. There is not enough private investment to drive the deployment of new low-carbon...