Single Sky again
The recent CCF around the Iceland eruptions have lead the Dutch Minister, Eurlings, to announce moves to unify the European airspace under one provider,Eurocontrol. The 26 Ministers of Transport, or deputies, are presently in Brussel to discuss the ash crisis, the damage caused and future policies.
It's what Eurocontrol was created to do, but the political will, notably from France & UK, has never been there before.