Tequila (IMAGE) North Carolina State University Caption The tequila GI has not been successful at improving the quality of life for farmers who produce the agave, and has created new social and environmental problems. Credit Dr. Sarah Bowen, North Carolina State University Usage Restrictions Photo credit must be given License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.