Nowadays, many young people see their future as gamers, and there are many video games with a green conscience, such as Final Fantasy VII, Cities Skylines, Civilization VI, Alba, a wildlife story... Several of them are presented at Games for Change, a video game festival that aims to raise awareness in society, where the villains are not aliens, but more everyday evils such as polluting gases or climate change. 

Check this: https://www.gamesforchange.org/?fbclid=IwAR2BTvG4DZ2YpRtG7k_IyitFa7gLUDbJMpsGgJ2PeSAQ4Alsn-54ZLfC4uo