- SOLUTION: Cernier (Switzerland), Hartberg (Austria), Hvar (Croatia) and Lapua (Finland);
- PIME'S: Salburua (Spain), Dale (Norway), and Szentendre (Hungary);
- ECO-Life: Birstonas (Lithuania), Kortrijk (Belgium) and Høje-Taastrup (Denmark);
- GEOCOM: Mórahalom (Hungary), Galanta (Slovakia) and Montieri (IT).

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