Trees are important to the environment owing to their ecological services. However, many aspects of their form and function are poorly understood by the public. From their earliest years, children have an elementary knowledge about plants which they gain from their everyday observations, their parents and other people and from their kindergarten…

Based on the belief that professional competences can partially be developed through professional training a cycle of ten educational workshops was designed. Combining theoretical knowledge, quality practice examples and discussions, the workshops strived to improve professional teacher competences. The assumed outcome was determined by difference…