Take action together for a sustainable campus

Never heard of it? During 3 weeks, discover simple and easy actions to do in order to experience a more sustainable lifestyle on campus! 
Sounds familiar? This year's edition is entirely devoted to the theme of food. Discover an enhanced concept with new actions and events!

Discover the platform Register/Login (EPFL)  External login

1259 participants are already participating!

Go to the platform




In the A4C Challenge you can discover


Commit to small behaviour changes that can make a big difference.

Team Competition

Show your commitment together with your team and win attractive prizes.

Fun experience

Game elements and lots of events will freshen up your daily routine.


3 steps to be part of the experience 

1. Sign up

Registration will start on October 29

2. Take Action

Choose some sustainable challenges on the plaform, record your progress and collect points from 12 to 30 November 2018.

3. Win Prizes

Make an impact and win!

The challenge on the road

Download the Mobile App WeAct Challenge.
Enter the challenge with the access code A4c18.



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Anniversaire végétalien

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2018/11/30 by Loris Silva


Salut à tous, Read more
2018/11/30 by Anjali Nursimulu

Good Carbs, Bad Carbs

Last Monday, I participated in a Cooking Workshop, which turned out to be a more of an Italian Fo Read more

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