Answer: Vaxjo, Sweden is the one of the greenest cities in the world.
Explanation:
The city Vaxjo uses the centralized district cooling as well as heating system which is constructed with a timber wood. The public transportation runs on renewable biogas thus air pollution is low. This city also promotes cycling as an alternative of transportation. It supports urban gardening. Thus city has taken initiatives to prevent pollution in the city and maintain sustainability by preventing the use of fossil fuel.
