mercury has performed at a large number of charitable events. she is the second brazilian honored as an ambassador for unicef (renato aragão was the first). she is also an ambassador for unaids and unesco. she has performed at rede globo's annual charity "criança esperança" for fifteen consecutive years (1992–2007). she also represents various non-profit organizations including caravana da musica which has spawned her own instituto sol da liberdade.