It is pretty interesting how they selected her.
She is an Australian Citizen but representing China? I agree with most of the posts here that yes she is Chinese but does not reside in China. She lives and works in Sydney, Australia if you try looking up her profile through Linkedin!
She listed herself as a TV Presenter? Ummmm How can she work as a TV Presenter but also work as a Project Manager at Telstra in Sydney Australia according to
http://radaris.com.au/p/Stephanie/Rong/Interesting............ She either performed quite badly on the scorecards and seems like she did not participate in a lot of the activities according to
http://www.missearth.tv/scoresheet_g2.phpCould she be misleading the organisers that she is a Event Presenter? Because from a basic search of the internet everything that is on the site is contrary to what she is claiming to be.