Polish President Andrzej Duda returned from his trip despite the suspension of the Constitutional Tribunal's head. The Prosecutor General submitted five motions to the Constitutional Tribunal. Anna Korwin-Piotrowska has been appointed to head the Constitutional Tribunal. Meanwhile, Poland approved the first fast-track renewable energy zones. Researchers in Poland have begun working to revive the bison population in Eastern Europe. Poland's Foreign Minister Radoslaw Sikorski participated other G20 Foreign Ministers in disapproving a photo op with Russia's Foreign Minister Sergey Lavrov.