came across this today-
youtube nonprofit program:

Does your organization have a compelling story to tell? Do you want to connect with your supporters, volunteers, and donors but don’t have the funds to launch expensive outreach campaigns?

YouTube can help. Video is a powerful way to show your organization’s impact and needs, and with a designated “Nonprofit” channel on YouTube, you can deliver your message to the world’s largest online video community.

YouTube’s ‘Broadcast Your Cause’

it appears to be very recently debuted, so i could only find one review from a nonprofit who’s actually used it: YouTube Nonprofit Program – our experiences