If so, TakePart is a organization that was founded to help people like us to do just that. To take part.
Or in their own words:
TakePart is a digital media organization and cause services agency that provides content, products and services that inspire, empower, and ignite people to take daily action in making the world better.Check out their 30 Days in 30 Ways action calender to see if you find an action that inspires you to take part. Myself I´m aiming to complete atleast 10 of the actions this month.