Pedzisa mutsara unotevera: Gerbrandy akatanga kuva nhengo yeParamende yeEuropean (MEP) musarudzo dza2009. Munguva yake yose muparamende, akashanda muKomiti yeZvakatipoteredza, Hutano hweHurumende uye Kuchengeteka Kwezvokudya. Pakati pa2012 na2014, aive mutevedzeri wasachigaro wekomiti. Muchiitiko ichi, akatungamira chikamu chehurukuro pamusoro pekurambidzwa kweEU kwe"mhuka dzisingazivikanwe" dzine kukanganisa kwakashata kune zvakatipoteredza. Akanga ariwo chikamu chevamiriri veParamende yeEuropean kuUnited Nations Climate Change Conference muna 2014 muLima; 2015 United Nations Climate Change Conference muParis; uye
Musangano weUnited Nations weKushanduka Kwemamiriro ekunze muna 2016 muMarrakech.