Senator Bob Carr: The answer to the honourable senator's question is as follows: (1) No. (2) No. (3) (a) Twenty-three officers from the Department of Foreign Affairs and Trade (including from the Australian Embassies in the region and the Secretary of the Department of Foreign Affairs and Trade who travelled with the Prime Minister's party) attended the Rio+20 Conference, including providing support for the Prime Minister's attendance. (b) DFAT staff attended Rio+20 for varying periods, ranging from three to 20 days. (c) (i) None (ii) Eight officers flew business class, and six officers flew in combination of economy and business class. (4) The cost to DFAT of attending the Rio+20 Conference was $388,865 accommodation cost was $53,237 airfares for commercial flights were $43,002 cost of travel allowances was $8,160 administrative costs were $284,466.