10.Amsterdam of the Netherlands - 20.6%
9.Geneva of Switzerland - 21.4%
8.Frankfurt of Germany - 21.5%
7.Sacramento, California - 23.6%
6.South Africa's Johannesburg - 23.6%
5.Durban of South Africa - 23.7%
4.Cambridge, Massachusetts - 25.3%
3.Vancouver of Canada - 25.9%
2.Sydney of Australia - 25.9%
1.Singapore — 29,3%
Singapore is well known for its imposing buildings, modern shopping centers and especially the abundant greenery. By the year 2030, "Island Lion Island" hopes to increase the green space, covering 85% of residential areas.
By: @nguyentrung