Change is often perceived as a radical shift that comes from loud voices and powerful movements, but this is not necessarily true. Often, tangible change first requires an intellectual change, which tends to be slow and subtle.
If there is a subject that you are truly passionate about, research it.
Hoover has an amazing public library and a very interconnected community that makes it easy to find others who specialize in a wide variety of topics. Brainstorm a subject and organize your research as you go. RISE research has an in-depth process for doing research as a student, giving easy to follow guidelines for anyone interested.
RISE research: https://riseglobaleducation.com/blogs/how-to-start-doing-research-in-high-school