The DoubleTree by Hilton Portland was announced the winner of the 2011 Green Supplier Gold Award at IMEX in Frankfurt, Germany in May. The international award recognizes environmental excellence and innovation within the meetings industry.

Portland, Oregon is recognized for its leadership in sustainability initiatives. The first Green Seal-certified hotel in the city, the DoubleTree by Hilton Portland was selected based its ability to reduce overall energy consumption 32 percent annually since 2006, and investing in alternative transportation options for guests and staff that includes public transit subsidies, free public bike parking and bike usage for guests.

The DoubleTree by Hilton also partnered with the City of Portland by adopting a commercial composting and comprehensive recycling program resulting in overall waste diversion of 70 percent otherwise meant for the landfill.