1998: Teachers for Peace (Graz, Austria)
2000: Maniesto 2000, UNESCO (video in French with international signs)
2001: Public at the Mercé Feasts (Barcelona), in the framework of EYL (European Year of Languages)
2001: Rede PEA-UNESCO do Brasil (São Luis do Maranhão)
2003: Parlatino (Salvador de Baía, Brasil)
2004: Parlatino (São Paulo, Brasil)
2004: Trasatlantiuc Slave Trade international Youth Forum, UNESCO (Denmark)
2007: Publications (book and web)
2009: European Commissioner for Multilingualism (Santiago de Compostela)
2012: UNESCO-ASP Network from Spaijn and Portugal (Porto, PT and Alicante, ES)
2016: International Year of Global Understanding (IYGU) (University of Santiago)
2020: Antivirus Gestures (proposal to combat respiratory infections)