Substantial investments are required to achieve that. Investments that will get off the ground much more easily if we increase the price of emitting carbon and other greenhouse gases. In short, how are we going to make sure we emerge from this economic crisis in a more sustainable way? The shifting balances of power, the refugee crisis, the climate crisis.
You don't have to be a Europhile to know that we can tackle these transnational challenges better at European level than at national level. These challenges call for European cooperation within a strong European Union. And this is inextricably linked to strengthening the foundations of our currency union. This is perfectly possible.