The Green Work Place - Efficient Lighting
UNC Health Care - Study shows light therapy to effectively treat mood disorders, including SAD
NASA - Light-Emitting Diode Technology Brings Relief In Clinical Trials
U.S. Green Building Council - Strategic Plan 2009 - 2013
Carbon Map Launched - Nasa launches a satellite into orbit to monitor carbon dioxide emissions. The Google Earth map above shows emissions from across the US was unveiled. This satellite will take eight million measurements every 16 days for two years.