The Sydney Morning Herald reports that Sydney, Australia based fashion designer Bowie Wong, who has designed for and clothed such names as Good Charlotte, George Michael and Jared Leto, has produced a one of a kind t-shirt to promote Earth Hour 2009, a movement created by the WWF to raise awareness for energy conservation and climate change issues. His t-shirt, which is black and features an outline of a light bulb, will be up for auction during the week preceding the Earth Hour event on on March 28, 2009 at 8:30pm local time. Over 400 cities around the globe participated in Earth Hour 2008 and over 1500 are expected to join in this year.

Want more information on Earth Hour? Check out the official website EarthHour.org and the Earth Hour Wikipedia entry.