You could help us with providing transcriptions of any relevant audio/visual media. Or the reverse, provide audio recordings of text articles. See an ongoing list here, and reach out to help!
Volunteer to assist with a hotline. Not all require a big commitment. See here for some ideas.
Some small steps you can do right here in your browser are to enroll in Tab for a Cause, which raises money for charities every time you open a new tab on your web browser, and use Amazon Smile if you shop at Amazon.
Spread joy with information, graphic design, meme creation, creative writing, etc. In previous years, we organized a letter writing campaign to kids in Alaskan schools.