Interesting People mailing list archives
Re: Spam 'produces 17m tons of CO2'
From: David Farber <dave () farber net>
Date: Tue, 21 Apr 2009 08:19:08 -0400
Begin forwarded message: From: Tony Finch <dot () dotat at> Date: April 20, 2009 8:17:38 PM EDT To: dave () farber net, tom_gray_grc () yahoo com Cc: Tony Finch <dot () dotat at> Subject: Re: [IP] Spam 'produces 17m tons of CO2' Tom Gray <tom_gray_grc () yahoo com> wrote:
http://news.bbc.co.uk/2/hi/technology/8001749.stm A study into spam has blamed it for the production of more than 33bn kilowatt-hours of energy every year, enough to power more than 2.4m homes. The Carbon Footprint of e-mail Spam report estimated that 62 trillion spam emails are sent globally every year. ...
That works out at about 2kJ per spam (33e9 * 1000 * 3600 / 62e12), so a server rejecting one spam per second would use 2kW. That's wrong by at least one order of magnitude, probably more than two. Tony.-- f.anthony.n.finch <dot () dotat at> http://dotat.at/ FORTIES CROMARTY FORTH TYNE DOGGER: SOUTHERLY OR CYCLONIC 5 TO 7, OCCASIONALLY GALE 8 EXCEPT IN CROMARTY, VEERING WESTERLY 4 OR 5 FOR A TIME. MODERATE OR
ROUGH, OCCASIONALLY VERY ROUGH AT FIRST IN FORTIES, BECOMING SLIGHT OR MODERATE LATER. OCCASIONAL RAIN. MODERATE OR GOOD, OCCASIONALLY POOR. ------------------------------------------- Archives: https://www.listbox.com/member/archive/247/=now RSS Feed: https://www.listbox.com/member/archive/rss/247/ Powered by Listbox: http://www.listbox.com
Current thread:
- Spam 'produces 17m tons of CO2' David Farber (Apr 17)
- <Possible follow-ups>
- Re: Spam 'produces 17m tons of CO2' David Farber (Apr 17)
- Re: Spam 'produces 17m tons of CO2' David Farber (Apr 21)