發送短信 : Composite indicator for green city development in Singapore

  ______    ______   _____     __   __   __   _   
 /_____//  /_   _// |  __ \\   \ \\/ // | || | || 
 `____ `    -| ||-  | |  \ ||   \ ` //  | '--' || 
 /___//     _| ||_  | |__/ ||    | ||   | .--. || 
 `__ `     /_____// |_____//     |_||   |_|| |_|| 
 /_//      `-----`   -----`      `-`'   `-`  `-`  
 `-`