Reflecting on my motivations for being a member of the Rio de Janeiro Exploratory Practice Group since 2016, I felt compelled to understand what would be the reasons for three other colleagues to have been part of this group for almost three decades and continue to be very engaged in the group activities. From their discourse, I seek to understand what sustainability means for them in this movement of 'working to understand'. To analyze the data, an interdisciplinary framework was utilized. The following theoretical components were: Exploratory Practice