"Volunteering, Charity Work, and Community Service" Group

Originated by @resserts

[agnostic.com]

Goggle Resist,& MoveOn, both have well-organized national prescences.
For example, the country-wide rallies against drump's '"emergency" held today across the country.
No reason to fragment, no reason to reinvent the wheel, just go to their easy to use massive websites, participate as you see fit.
Oh, and put your "representatives" contact info into your phone/device, make yourself heard quickly forever after.

I volunteer with the Red Cross. It’s not ecology-based but it helps alleviate human suffering.

I haven't heard of one. Have you scanned the list of groups? Maybe you can start one. You get extra points for starting a group.