In most of the EU and several other countries: https://www.coalition-s.org/ https://www.coalition-s.org/ (Edit: actually, I think the Horizon 2020 program alre

In most of the EU and several other countries: https://www.coalition-s.org/ https://www.coalition-s.org/ (Edit: actually, I think the Horizon 2020 program already mandated Open Access for most research, although enforcement back then was lacking (and still isn't perfect). Coalition S's plan also attempts to ensure that they don't indirectly fund journals that aren't fully Open Access.)