On October 3, 2019 the professor of the University of Jaén, Don Julio Calero, responsible for the Area of Edaphology and Agricultural Chemistry, participated in the XXVII Technical Conference of the Spanish Society of Organic Agriculture, presenting a speech about the SUSTAINOLIVE project: Innovative actions to promote sustainable olive groves in the Mediterranean basin. These Days are focused on agroecology against climate change and other challenges of the 21st century.