The environmental benefits resulting from IBM’s investment in these technologies, which are in use in over isolated large purchases of renewable electricity by fundamentally enhancing the quantity and availability of renewable electricity from existing and planned projects. Operational CO2 emissions management IBM’s CO2 emissions associated with the use of fuel and electricity at its locations were reduced 6 percent from 2014 to 2015 (when the energy use from the divested semiconductor manufacturing business from January through June 2015 is excluded).