The Swiss city beat off strong competition to take first place in the 2016 Arcadis Sustainable Cities Index, announced on Monday, which ranked 100 major cities on 32 indicators across three aspects of sustainability: people, planet and profit.

The survey was carried out by Arcadis, a global consultancy firm focusing on sustainability, in partnership with the Centre for Economic and Business Research (Cebr).

Reference: http://www.thelocal.ch/20160913/zurich-named-greenest-city-on-the-planet