Emma Watson 身上總是有一股很積極正面的力量。她主動報名了2015年的綠色地毯挑戰 （Green Carpet Challenge），承諾去紅地毯活動穿的服飾都是具可持續性的。例如她在2016年穿去 Met Gala 的 Calvin Klein 晚禮裙，是用回收塑膠樽製作而成的布料製成的；她的Beauty and the Beast 禮裙，則是用清倉布料製成的。 現在她還繼續這個挑戰：Emma Watson 指出每次走紅地毯，大家和傳媒的關注往往都是明星大於衣服。於是她開了instagram 帳號 @the_press_tour ，將她每次穿的衣服、化妝品仔細寫出來，讓大家知道什麼牌子在走可持續發展路線，什麼牌子是有機、重視到的和動物權益的。另外，她還在今年2月成為了時裝評分網站 Good On You 的官方支持者，讓他們評價她每次的穿衣有沒有達到個人層面的時裝可持續發展要求。

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? It's a minefield out there in the fashion world !! Fair trade, organic, sustainable, ethical, vegan, carbon neutral, artisanal, fast fashion, slow fashion. What does it all mean?! ??‍♀️ Does it matter? What matters most? How do I choose? What is green washing? Which information or recommendations do I trust? ? I was SO happy (and relieved!) to find the @goodonyou_app team because their app made the information easy and accessible for me. ⠀⠀⠀⠀⠀⠀⠀⠀⠀ They take into account information from over 50 certification schemes, standard systems and NGO rating projects. Then they break down and rate brands based on their impact on ? labour, ? the environment and ? animals, rating them either 'Great', 'Good', 'It's a Start', 'Not Good Enough' and 'We Avoid'. They also suggest ethical alternatives to anything you might be looking for. ⠀⠀⠀⠀⠀⠀⠀⠀⠀ Their articles are also brilliant, up to date and on the button. You can also favourite any brands you want to remember. ????‍? Check them out ?

A post shared by Emma Watson (@emmawatson) on Mar 7, 2019 at 3:08pm PST

除了成為 Good On You 的官方支持者外， Emma Watson 還支持不少以可持續發展為重心的服裝牌子。例如被 LVMH 集團購入部分股份的 Gabriela Hearst、Kit Willow 的牌子 Kitx 、Edun等。