Pointless PC pollution.

• Position: MATTERS OF SCALE - Table - Brief article

Pointless PC Pollution Number of office personal computers in use in the United 104 million States (2007 est.) Estimated maximum share left on overnight (percent) 60 Resulting quantity of C[O.sub.2] emitted per year by 14.4 million electric power plants (tons) Number of automobiles it takes to emit the same amount of 2.5 million C[O.sub.2] Total number of personal computers in use in the United 231 million States (2005 est.) Estimated quantity of C[O.sub.2] emitted per year if 60 32 million percent are left on overnight (tons) Equivalent number of automobiles 5.6 million Total number of personal computers in the world (2005 906 million est.) Estimated quantity of C[O.sub.2] emitted per year if 60 125 million percent are left on overnight (tons)...