07 October 2019, Baden-Wuerttemberg, Sinsheim: J?rg Albrecht (l-r), Lord Mayor of Sinsheim, Bernd Welz, Chairman of the Climate Foundation, German Chancellor Angela Merkel (CDU), Winfried Kretschmann (Bundnis 90/Die Grunen), Minister President of Baden-Wurttemberg, and Alfred Ehrhard, Chairman of the Climate Foundation, are on a guided tour of the opening of the Climate Arena of the Dietmar Hopp Foundation at a cash register in a supermarket model. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Chancellor Angela Merkel (CDU) speaks at the opening ceremony of the Climate Arena of the Dietmar Hopp Foundation. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Chancellor Angela Merkel (CDU) speaks at the opening ceremony of the Climate Arena of the Dietmar Hopp Foundation. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Chancellor Angela Merkel (CDU) speaks at the opening ceremony of the Climate Arena of the Dietmar Hopp Foundation. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Winfried Kretschmann (Bundnis 90/Die Grunen), Minister President of Baden-Wurttemberg, speaks at the opening ceremony of the Climate Arena of the Dietmar Hopp Foundation. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Winfried Kretschmann (Bundnis 90/Die Grunen), Minister President of Baden-Wurttemberg, speaks at the opening ceremony of the Climate Arena of the Dietmar Hopp Foundation. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Bernd Welz (l), Chairman of the Climate Foundation, and Dietmar Hopp will be on stage with a moderator at the opening ceremony of the Climate Arena of the Dietmar Hopp Foundation. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Federal Chancellor Angela Merkel (CDU) and Winfried Kretschmann (Bundnis 90/Die Grunen), Minister President of Baden-Wurttemberg, are passing by an iceberg model during a guided tour of the Dietmar Hopp Foundation's Climate Arena opening. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Bernd Welz (l-r), Chairman of the Climate Foundation, German Chancellor Angela Merkel (CDU), and Winfried Kretschmann (Bundnis 90/Die Grunen), Minister President of Baden-Wurttemberg, are on a guided tour of the opening of the Climate Arena of the Dietmar Hopp Foundation at a cash desk in the model of a supermarket. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Chancellor Angela Merkel (CDU) takes a guided tour through a model supermarket during the opening of the Climate Arena of the Dietmar Hopp Foundation. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Chancellor Angela Merkel (CDU) takes a guided tour through a model supermarket during the opening of the Climate Arena of the Dietmar Hopp Foundation. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Chancellor Angela Merkel (CDU) takes a guided tour through a model supermarket during the opening of the Climate Arena of the Dietmar Hopp Foundation. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Dietmar Hopp (l-r), Winfried Kretschmann (Bundnis 90/Die Grunen), Minister President of Baden-Wurttemberg, Federal Chancellor Angela Merkel (CDU) and Alfred Erhard, Chairman of the Climate Foundation, are taking a guided tour of the opening of the Climate Arena of the Dietmar Hopp Foundation on the model of an iceberg. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Federal Chancellor Angela Merkel (CDU) and Winfried Kretschmann (Bundnis 90/Die Grunen), Minister President of Baden-Wurttemberg, are passing by an iceberg model during a guided tour of the Dietmar Hopp Foundation's Climate Arena opening. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Dietmar Hopp (l-r), Winfried Kretschmann (Bundnis 90/Die Grunen), Minister President of Baden-Wurttemberg, Federal Chancellor Angela Merkel (CDU) and Alfred Erhard, Chairman of the Climate Foundation, are taking a guided tour of the opening of the Climate Arena of the Dietmar Hopp Foundation on the model of an iceberg. Photo: Uwe Anspach/dpa

07 October 2019, Baden-Wuerttemberg, Sinsheim: Federal Chancellor Angela Merkel (CDU) and Winfried Kretschmann (Bundnis 90/Die Grunen), Minister President of Baden-Wurttemberg, are taking a guided tour of the opening of the Dietmar Hopp Foundation's Climate Arena on the model of an iceberg. Photo: Uwe Anspach/dpa