There's some great ideas in an article with this title on the web site Yes!
Here's just two of them:
Tip 3
Take your money out of predator banks and put it into a credit union, local bank, or an institution like Shorebank Pacific that supports sustainable businesses.
Tip 18
Do home work parties. Each month, go to a different household to do major home greening, a garden upgrade, or some deferred maintenance.
Read the rest of these thought-provoking tips here >>