Switzerland: Climate Change

On July 23, 2025, the International Court of Justice ("ICJ" or "Court") delivered a unanimous advisory opinion on the Obligations of States in respect of Climate Change that is poised to influence the interpretation of international law on climate change for years to come.

"Make taste not waste" or "the greenest way to an excellent cup of coffee" – Already in 2012, the Zurich Commercial Court assessed whether advertising with these general environmental claims proves admissible under unfair competition law.