That of European Tree Worker is a voluntary certification that attests to the professional skills of an arborist. Training 3T organizes a new session of the training course (from 8 to 12 May) that ends with the examination needed to obtain the qualification, scheduled for June 3. "A certified arborist - explanatory Training 3T - can demonstrate, both at European and international level its practical and theoretical knowledge of modern ornamental arboriculture: is the 'doctor' in the care, maintenance and management of the trees". In recent years, proponents are increasingly informed and, before confirming a job, even all'arboricoltore require professional qualifications and authorizations to work to protect and ensure the best care for their trees.