Oly's assembly was inspirational and he also visited classes to speak to the children about their passions for looking after their world. This kind of event is really important as we develop the children's courageous advocacy: the act of speaking out about important issues on behalf of those whose voice is not hear.  In this case that was the people and animals whose lives are impacted by plastic pollution.  To find out more about Oly and his exploits, check out his website: https://projectplanet.earth