I don’t know why this didn’t occur to me sooner. Even if you just use a junk account to like and subscribe it’s the cheaper version of donating.
PBS Terra, for one, has actual climate change news and science. In addition to all the other cool things, and, ofc, PBS kids.
Here’s the list: NOVA PBS official, PBS, PBS Terra, American Experience PBS, Frontline PBS Official, PBS Documentaries, PBS NewsHour, PBS kids, PBS Eons, PBS Origins, PBS SpaceTime.


Does uBlock allow turning on ads for specific channels? I’d do it for PBS.
Do you have to watch without ublock for them to earn?
Yes, if you block ads, then you do not generate revenue for them.