Text this: Transboundary air pollution and cross-border cooperation: Insights from marine vessel emissions regulations in Hong Kong and Shenzhen

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