WORKING FOR
CLEANER MOUNTAINS

ZIIIIP! Bubble

• Littering (the abandonment of waste) is a major source of ecosystem pollution.
• Littering has aesthetic, environmental, and economic consequences.
• To preserve our mountains, the Summit Foundation has launched the Clean-Up Tour, a series of cleanup events in ski resorts. During these cleanups, we sometimes find unusual objects such as mobile phones.

Explanations

Pollution of ecosystems and the biosphere is a major environmental concern. It is, in fact, one of the six planetary boundaries already exceeded1, out of a total of nine2. Among the main sources of this pollution is littering3. Littering is defined as the intentional or unintentional abandonment of waste in the environment. In Switzerland, the most commonly found objects4 in nature are cigarette butts, plastics, and glass fragments.

Littering has many consequences, which can be divided into three categories5:

  • Aesthetic: abandoned waste harms how people appreciate and experience a place.
  • Environmental6: Abandoned waste is generally not biodegradable and accumulates in the environment. It can trap or injure wildlife and release pollutants into ecosystems. Waste can be transported over thousands of kilometers, eventually ending up in the oceans or even at the top of mountains.
  • Economic: cleaning up and preventing littering costs 200 million francs per year in Switzerland. In addition, littering can reduce the attractiveness of tourist destinations.

To protect our landscapes from the effects of littering, Summit Foundation has launched the Clean-Up Tour7, a nationwide waste collection campaign in mountain destinations. In 2024, we organized 36 Clean-Ups8, collecting over 3,000 kg of waste! During these events, we pick up the usual cigarette butts, plastic pieces, and glass fragments, but also some more unusual items like hats, walkie-talkies, and even mobile phones! You can find a small selection of these unexpected treasures9 collected in the mountains on our website.

To fight littering in the mountains, here are a few simple actions to adopt:

  • Remember to close your bags and pockets
  • Limit the use of plastic packaging as much as possible and make sure it is properly recycled or disposed of.
  • For smokers, remember to carry a pocket ashtray with you, such as the Ecobox10 from the Summit Foundation.
  • Take part in one of our Clean-Up11 events.

Let’s act together to protect our mountains from waste.

The ZIIIIP bubble! In action

Sources

  1. Our-environment. "Limites planétaires". notre-environnement, 18 September 2025. https://www.notre-environnement.gouv.fr/.
  2. France, Oxfam. "What is economist Kate Raworth's Donut Theory? Oxfam France7 December 2020. https://www.oxfamfrance.org/actualite/la-theorie-du-donut-une-nouvelle-economie-est-possible/.
  3. Chaudhary, Abdul Haseeb, Michael Jay Polonsky, and Nicholas McClaren. "Littering Behaviour: A Systematic Review. International Journal of Consumer Studies 45, no 4 (2021): 478-510. https://doi.org/10.1111/ijcs.12638.
  4. https://www.bafu.admin.ch/dam/bafu/fr/dokumente/abfall/fachinfo-daten/kunststoffe-7-littering.pdf.download.pdf/07-Matieres-plastiques-V.pdf
  5. https://www.bafu.admin.ch/bafu/fr/home/themes/dechets/politique-des-dechets-et-mesures/littering.html
  6. Napper, I E, and R C Thompson. Plastics and the Environment. 2023. https://doi.org/10.1146/annurev-environ-112522-072642.
  7. Clean-Up Tour - Summit Foundation. s. d. Accessed 18 September 2025. https://summit-foundation.org/clean-up-tour/.
  8. Summit Foundation - WORKING FOR CLEANER MOUNTAINS. s. d. Accessed 18 September 2025. https://summit-foundation.org/.
  9. Unexpected treasures - Summit Foundation. s. d. Accessed 18 September 2025. https://summit-foundation.org/inattendus/.
  10. https://summit-foundation.org/en/product/ecobox-summit/
  11. Clean-Up Tour - Summit Foundation. s. d. Accessed 18 September 2025. https://summit-foundation.org/clean-up-tour/.
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