Unai Ortega researcher (IMAGE) University of the Basque Country Caption The study concludes that one-day programmes do not affect environmental education; while they serve to promote environmental knowledge and attitudes in the short term, their effectiveness is limited Credit Tere Ormazabal. UPV/EHU Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.