Microsoft has set a goal to reduce carbon emissions per unit of revenue 30 percent by 2012 compared with 2007. In calendar year 2009, Microsoft reported emissions of 1,299,356 metric tons of CO2 equivalent (Scope 1, Scope 2, and Scope 3 employee travel). To meet its 2012 goal, Microsoft will focus on reducing emissions in four major areas: data centers, travel, buildings, and computer labs.