An energy efficient boiler was installed in the Gate House, received free from CT Natural Gas (changing from oil to gas).   
Removed 90% of the incandescent light bulbs and switched to compact fluorescent bulbs, both inside and out (ongoing).   
Ninety percent of cleaners used on campus are environmentally friendly (ongoing)   
Began replacement of all the windows in Feringa Hall (received a grant to support initial replacements).  From 2003-2007, 140 high-efficiency, insulated, sound reduction windows were installed.