IT energy demand accounts for approximately 2 % of global CO emissions , approximately the same level as aviation .
IT energy demand represents over 10 % of all the global energy consumption ( over 50 % of aviation 's energy consumption ) .
IT energy demand accounts for approximately 2 % of global CO emissions , approximately the same level as aviation , and represents over 10 % of all the global energy consumption ( over 50 % of aviation 's energy consumption ) .