Satellite survey shows New Taipei City and Taipei have least urban greenery By Lin Chia-nan / Staff reporter New Taipei City and Taipei have the lowest percentage of urban greenery among Taiwan’s six special municipalities, the Taiwan Forestry Research Institute said on Tuesday, citing data obtained by Formosat-5, the nation’s first domestically developed satellite. An artificial intelligence-assisted survey of the six cities showed that Tainan has the highest greenery coverage ratio of about 32 percent, or 5,888 hectares, followed by 26 percent in Taoyuan (806 hectares), 21 percent in Taichung (2,106 hectares), 19 percent in Kaohsiung (3,112 hectares), 18 percent in Taipei (1,864 hectares) and 15 percent in New Taipei City (2,067 hectares), the institute said.