PCB, which achieved the Bronze level, is among 57 businesses to have achieved Green Globe accreditation in Australia, including other PCB members such as Perth Convention Exhibition Centre, Rendezvous Observation City and Rydges Perth.
The city also attracted £19.5m in direct delegate expenditure from C&I events in the first quarter of its financial year, representing more than 42 per cent of the PCB's annual sales target of £46m.
PCB managing director Christine McLean said a total of 36 national and international conferences had been secured, which will bring more than 17,000 delegates to Perth.
These include the 7th International Symposium on Digital Earth, which is expected to attract 1,100 delegates in 2011 and the International Desalination Association Conference on Desalination and Water Re-Use, also in 2011 for an anticpated 900 delegates.
The announcements were made at Dreamtime 2009, Australia's flagship incentive travel event in Australia last week.