by Sarah J.F. Braley | March 01, 2010

The conference centers below have voluntarily adopted tenets put forth in the International Association of Conference Centers' environmental Code of Sustainability. For more on sustainability in this sector, see Conference Centers Go Green, by Sarah J.F. Braley.

Platinum Tier (100 percent compliant)
The Johnson Foundation at Wingspread, Racine, Wis.

Gold Tier (85 percent compliant)

• Airlie Center ,Warrenton, Va.,
• Aspen Meadows Resort, Aspen, Colo.
• The Banff Centre Banff, Alberta, Canada
• Barnett Hill Conference Centre, Guildford, Surrey, England
• Bell Harbor International Conference Center, Seattle
• Bergendal Meetings, Sollentuna, Sweden
• Comwell Klarskovgaard, Korsør, Denmark
• The Conference Center at Marriott Ixtapan de la Sal, Ixtapan de la Sal, Mexico
• Conferencehotel Kapellerput, Heeze, Netherlands
• The Council House, Racine, Wis.
• Dunrovin Conference Center, Baldwin, Mich.
• Eaglewood Resort & Spa, Itasca, Ill.
• Edith Macy Conference Center, Briarcliff Manor, N.Y.
• The Enterprise Center at BCC, Mount Laurel, N.J.
• Estancia La Jolla Hotel and Spa, La Jolla, Calif.
• Executive Conference Center at the Washington Duke Inn & Golf Club, Durham, N.C.
• The Executive Meeting Center at the DoubleTree Palm Beach Gardens, Fla.
• Gl. Skovridergaard Conference Centre, Silkeborg, Denmark
• Hamilton Park Hotel & Conference Center, Florham Park, N.J.
• Highgate House Northampton, Northamptonshire, England
• The Inverness Hotel and Conference Center, Englewood, Colo.
• Lansdowne Resort, Lansdowne, Va.
• Mission Bay Conference Center at UCSF, San Francisco
• The Morris J. Wosk Centre for Dialogue, Vancouver, Canada
• Paul J. Rizzo Conference Center, Chapel Hill, N.C.
• Q Center, Saint Charles, Ill.
• R. David Thomas Conference Center, Durham, N.C.
• Skamania Lodge, Stevenson, Wash.
• Stora Brännbo Conference and Hotel, Sigtuna, Sweden
• Tempe Mission Palms Hotel & Conference Center, Tempe, Ariz.
• University Place Conference Center & Hotel – IUPUI, Indianapolis
• White Oaks Conference Resort and Spa, Niagara-on-the-Lake, Canada
• Woodside Conference Centre, Kenilworth, Warwickshire, England