Senator Birmingham asked the Minister for Foreign Affairs upon notice, on 21 November 2012: (1) Did the Minister and/or any other minister or parliamentary secretary in the Foreign Affairs portfolio attend the Rio+20 United Nations Conference on Sustainable Development in Brazil in June 2012; if so, for how many days. (2) Did any ministerial staff attend; if so: (a) how many staff; (b) for how many days did each attend; and (c) how many staff travelled: (i) first class, and (ii) business class. (3) Did any departmental staff attend; if so: (a) how many staff; (b) for how many days did each attend; and (c) how many staff travelled: (i) first class, and (ii) business class. (4) Can a full breakdown be provided of all costs associated with attendance at Rio+20 including, but not limited to, flights and accommodation.