Zac Efron produced a series called "Down to Earth," which discusses a lot of ecological issues and some creative solutions found around the world. It's a palatable way to introduce some of these concepts to older students, as it's not "stuffy." (There are some bleeped out swear words, but the series is rated TV-PG)Down to Earth can be found on Netflix here https://www.netflix.com/title/80230601 and it is possible to watch with a subscription. In Series 1, filmed in 2020, the France episode is