BARRINGTON, Ill.--(BUSINESS WIRE)--EcoPlanet Bamboo is calling on t-shirt designers and artists around the globe to join EcoPlanet Bamboo. Be the Change. Design a Tee. contest. The contest will open on Monday, August 13th and run up to World Bamboo Day on Tuesday, September 18th with three categories for design: Bamboo: the Timber of the 21st Century Bamboo: Mitigating Climate Change Bamboo: Driving Positive Social Change The potential of bamboo is immense and we want designs to highlight them.