Look into getting solar on your roof! It's a great investment and cleaner than fossil fuels.
Enroll in clean energy programs like this one: Arcadia https://www.arcadiapower.com/
Go electric! Or at least hybrid.
Carpool.
Take public transit.
Walk more!
Check with your existing utility company to see if you can opt into renewable energy.
Avoid using heat and AC where possible.
Always seek out energy efficiency.