Marie-Helene Yung-Theron takes great care to preserve the site of the Chateau de Portets. She wishes to protect its natural beauty and has therefore opted for a style of viticulture and vinification with the upmost respect regarding the environment.
Since 2017, Château de Portets has been committed to an Environmental Management System (EMS) led by the Conseil Interprofessionnel des Vins de Bordeaux (CIVB). In 2018, the property obtains the High Environmental Value (HVE) level 3 certification with the ISO 14001 standard, within the collective framework of the 1st Bordeaux wine EMS association.
This means more improvements regarding environmental impacts for the employees, the citizens and the ecosystem such as: