In the company’s home country, Germany, Softwareload estimates using the most recent figures available (2008) that the annual carbon footprint created by ‘traditional’ CD software production equated to:
-77,000m² of CDs – the size of 11 football pitches
- the same emissions as 442 Hummer vehicles driving once around the circumference of the world
- 6,132 tonnes of CO2, or the combined weight of 350 bulldozers
...
* The ‘physical copy’ figure was attained by environment consultancy First Climate and was calculated accounting for transport and production factors throughout the supply chain typical when producing standard sized CD-Roms (including manuals). The download figure was achieved using metrics such as server and computer power consumption. When comparing the two, CO2 emissions for downloads were proven to be 80 per cent lower
...
The full article is available here:
http://www.turk.internet.com/portal/yazigoster.php?yaziid=28070

