As city dwellers, we spend about 90% of our time indoors. But, have you ever wondered about the sustainability of the building around you?

From the energy used to the carbon footprint - there are now tools available to help business calculate the sustainability of a building.

Corporate Facility Partners or CFP Green Buildings, a green real estate company from the Netherlands, has unveiled its innovative Green Buildings Tool in Singapore.

Rachel Kelly speaks to Olivier Noorduyn, Head of International Partnerships at CFP Building to find out more.