The Danube is the longest river in Central Europe, and thus has significant economic potential. However, the full potential of the Danube as a major transport route has not yet been exploited.

The so-called "Kompetenz-Kompetenz" principle in essence provides that an arbitral tribunal decides itself whether it has jurisdiction to decide a dispute brought before it.

The European Union has adopted far-reaching reforms to the EU Emissions Trading System (EU ETS) to meet its ambitious target of reducing net greenhouse gas emissions by at least 55 % by 2030.