EU Climate Action Academy
The European Climate Pact (a movement by the European Commission to help the EU become climate-neutral by 2050) launched this course. It's free, online, in English, and open to everyone. It's beginner-friendly and can help you dive deeper into citizen science, learn how to communicate more effectively and find new ways to inspire action in your community.
academy.europa.eu/courses/eu-climate-action-academy/
After completing this course, take the next step right here in this community: https://climate4all.org/community/course/facilitator-training/lessons