Le Léman and ASL need you: support our actions

Lake Geneva, this natural jewel that we share, is much more than just a landscape. It is a source of life for over a million people, a haven for biodiversity and a precious heritage to be preserved.

However, it faces a number of challenges Spectacular plastic pollution, pernicious cocktails of micropollutants, threats to biodiversity, invasive species, pressure from urbanisation and artificialisation... all interacting with the multiple impacts of climate change on the functioning of the lake (and its tributaries).

For 45 years, ASL has been actively fighting to protect Lake Geneva through actions in the field, scientific studies and representations to the authorities. In the face of these many challenges, we need your help!

What can we do?
Make a donation : Every contribution, however modest, strengthens our actions
Become a member : Join our community and support our association in the long term

Help preserve Lake Geneva

Thank you for joining us! Let's work together to protect Lake Geneva - the source of life!

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Inscritption à la newsletter de l'ASL

Restez informé.e de l’actualité de l’Association pour la sauvegarde du Léman – ASL en vous abonnant à notre newsletter:
Votre adresse de messagerie est uniquement utilisée pour vous envoyer notre lettre d'information ainsi que des informations concernant nos activités. Vous pouvez à tout moment utiliser le lien de désabonnement intégré dans chacun de nos mails.
Setting course for 2026!✨❄️ May this New Year bring each and every one of us peace, inspiration and a great collective drive for Lake Geneva.

We look forward to seeing you in January to continue our work, share useful knowledge and work together to protect Lake Geneva. Your loyalty and commitment give our mission its full meaning, and we'd like to offer you our sincerest thanks.