A green city is an eco-friendly city, it causes no harm to the environment, here's a list of top 5 green cities across the world.
1
Vienna, AustriaThis Austrian city is made up of 50% of the green areas and people religiously use public transport
2
BerlinThis German city persuade people in the "green living" direction by increasing the tax on environmentally unfriendly lifestyle.
3
MunichYet another German city is also known as the most walkable cities in the world.
4
São PauloThis city is located in Brazil. It is one the biggest user of renewable energy in the world.
5
MadridThis spanish city is one of the world's largest greenest capitals, it's leisure activities include solar powered tour boats, biking tours and so on.