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

1189 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.



Check out the latest posts on the Blog

2018/11/14 by Oscar Fischer

Impact des trajets quotidiens en train

En calculant mon empreinte écologique, j'ai pu me rendre compte que mon résultat (145% of my Read more
2018/11/13 by Isabelle Hugli

Repas végétarien sympathique au Parmentier

Repas végétarien d'une partie de l'équipe CDH Evergreen, légumes de saison sur galette Read more
2018/11/13 by Myriam Schaffter

Repas canadien végétarien en équipe

Un chouette moment de partage autour d’un buffet végétarien royal ! Read more

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