Singapore's newest skyscraper in the Central Business District, the 43-storey Asia Square Tower 1, took three years to build and is one of the latest green buildings to be built in Singapore, where the sustainability and eco-friendliness of it are part of the main considerations during the design phase, reported Asiaone.

Calling itself "one of the most technologically advanced buildings in the region", Asia Square held its official opening ceremony on November 11 night.

The building is equipped with a biodiesel generation plant that recycles food oil waste produced from its catering establishments, making it the first waste recycling plant to be located within a commercial development. Asia Square also collects condensation water from air-conditioning and uses it for irrigation needs.

Banking on the concept of "Work, Play, Live, Grow", Asia Square boasts offices, a hotel, a gym, food & beverage outlets and retail stores. At the moment, over 60 percent of Tower 1 is occupied: Citibank is the anchor tenant with nine floors, Pure Fitness took up one entire level and Google has three and a half storey. Westin Hotel will be located at Tower 2, which will be ready in August 2013.