Variable Observation Mean Standard Deviation Minimum Maximum Correlations Significant level
if we have a good public transportation  network will reduce environmental fingerprint 100 4.1800 0.97835 2.00 5.00 .481** .000
if we use water solutions will reduce water consumption 100 4.2900 0.60794 3.00 5.00 506** .000  
if we use energy renewable solutions will solve energy problem 100 4.3400 0.65474 3.00 5.00 306** .000
establishing recycle , reuse and separation program will reduce environment finger prints 100 4.4200 0.95537 2.00 5.00 .295** .003
the increase of green area could be a tool of applying sustainable urban development 100 4.6400 0.48242 4.00 5.00 .285** .004
Table 2: Descriptive statistics on public transportation network.