Yesterday Y Combinator backed CO2Stats announced the launch of a fully functional version of their emissions measuring service for websites. The launch comes nearly a year after the release of a prototype widget that was designed to test the market and gauge user response. The idea eventually attracted enough press and positive feedback for the founders to take their service and calculations to the next level. CO2Stats makes a website “green” by calculating its environmental footprint and buying green power (i.e. wind, solar) elsewhere on the grid to compensate. The service calculates not only the energy used to power a site’s server, but also the power used by client machines visiting the site. It turns out that visitors actually consume more power than the servers themselves. The methodology for calculating energy consumption is extremely rigorous, as it must be for something like this to be accepted. The system takes into account geographic location of a site’s servers and visitors, time spent on a site, client device type (mobile, laptap, etc), and even the size of the page window on the user’s screen.http://www.techcrunch.com/2008/08/14/co2stats-compensates-for-your-sites-pollution/
http://www.co2stats.com/
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