Published on:
4 Jun 2014
Feature image:
![](http://us.usgbc.org/sites/default/files/going-green.png?1401888339)
When it comes to buildings, new and old alike, sustainability is no longer simply about design. it’s also about ensuring high-level, ongoing, and environmentally sound operations.
When MGM Resorts International began work on CityCenter—an 18-million-square-foot complex of resorts, residential towers, stores, and conference space in Las Vegas—there was no question that the company would be building green.