Another objective of the Green Week celebration was also to spread awareness about IHG's five-year target to reduce its carbon footprint by 12% from 2013 to 2017. It is noteworthy to note that the Intercontinental Group of Hotels already have a IHG Green Engage system in place which measures the environmental impact its its hotels, and helps the Group to manage costs. According to their estimate, the IHG Green Engage can help an average hotel save up to 25% on energy use. Consequently, IHG Green Engage leads to environmental benefits as well saving of money. At the same time, the IHG Hotels provide its guests with an environmental friendly stay, which is also the value system of many of these guests.