Rocking the Daisies took place last weekend. This South African festival has been promoting sustainability since its inception. Craig Bright and Brian Little have been building the festival over the last decade. In January this year they gave an interview to South Africa's Entrepreneur Magazine. An interview every aspiring event planner should read. You can read the article here.
To get an overview of what sustainable event management means for Rocking the Daisies you should read the article from BizCommunity. The article provides a great overview of the festival's sustainable initiatives. I hope these initiatives will inspire you!