Polish President Andrzej Duda has concluded his visit following the suspension of the Constitutional Tribunal's chief. The Prosecutor General filed five motions to the Constitutional Tribunal. Anna Korwin-Piotrowska has been appointed to lead the Constitutional Tribunal. Meanwhile, Poland approved the early fast-track renewable energy zones. Researchers in Poland are working to renew the bison population in Eastern Europe. Poland's Foreign Minister Radoslaw Sikorski joined other G20 Foreign Ministers in opposing a photo op with Russia's Foreign Minister Sergey Lavrov.