Southeast Green - Business depends on the environment and the environment depends on business

Tim Trefzer is the Sustainability Coordinator for GWCC

Tim Trefzer is the Sustainability Coordinator for the Georgia World Congress Center Authority, which is comprised of the Georgia World Congress Center, Georgia Dome and Centennial Olympic Park. In this position, he has assesses critical needs for improving, measuring and tracking the efficiencies of a variety of operational practices, including waste diversion, energy and water management, procurement, as well as working with clients to make their events more sustainable and educating employees on best practices. As a LEED AP, he has evaluated the costs and identified the hurdles to achieving LEED for Existing Buildings: Operations and Maintenance certification for both the Georgia World Congress Center and Georgia Dome. Tim is a member of the USGBC – Georgia and the Green Meetings Industry Council – Atlanta branch. He is a graduate of Florida State University.


‘A Bag’s Life’ has launched in Georgia!

Join us as we talk to Glora Hardegree about how Georgia became the 7th state to have the recycled bag campaign.

Georgia joined the “A Bag’s Life” recycling education movement which helps consumers find nearly 750 grocery and retail store drop off sites for their plastic bags and wraps statewide. Legislators, recyclers, retailers and government officials gathered at the capitol to announce participation in the awareness campaign, which provides a website ( with a zip code locator app and social media outreach.


Bioponica - A complete closed sustainable loop for urban ag

Dr Dave Epstein is a practicing physician, entrepreneur, organic gardener and the manager of Bioponica™.

He grew up in Dallas, Texas and attended the University of Texas and the University California Berkeley between 1978-1982. Graduated with a Degree in Psychology and minor in Art, Dr Dave earned his medicine degree at the Texas College of Osteopathic Medicine (TCOM) and completed an Internship in Flint Michigan in 1986.

Through research, design and innovation, Bioponica™ challenges the conventional wisdom of hydroponics and aquaponics with an optimized design and a more sustainable process.


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