The 33-year-old star is one of fashion mag Vogue’s sustainability trailblazers, featured in its January edition out in stores and online on Tuesday.
See the full feature in the January issue of British Vogue, available via digital download and on newsstands from Tuesday 19 December.
Emma was hopping on the Hogwarts Express and going back to college to study creative writing.
The Harry Potter actress signed up for a part-time Master’s degree at Oxford.
But she will attend just a handful of lectures on site.
Thanks to computer wizardry, Emma, who played Hermione Granger in the films, will complete most of the degree online.
Staff have been warned to expect her to attend classes with a small security team after she got creepy messages on social media.
She has since beefed up her protection.