Perspectives on human-nature interrelationships will be explored at the 12th annual ESTIA Conference on Friday, Oct. 23 at the University of Maine Hutchinson Center in Belfast. Darren Ranco, Sherri Mitchell and Maria Girouard are keynote speakers for the conference titled “Deep Ecology: Ethical and Spiritual Principles.” ESTIA stands for EcoPeace, Sustainability, Teaching/Training and International Affiliations. read more Conference in Belfast to explore human-nature interrelationships