RE: questions to the new version of the Sustainable Web Design Model

HI Tim,

Thanks a lot for your feedback. When do you think you will receive any information from the team?

Best regards,
Ákos

From: Tim Frick <tim@mightybytes.com>
Sent: Monday, June 10, 2024 12:23 PM
To: Herdics Akos <Akos.Herdics@crane.hu>
Cc: public-sustyweb@w3.org
Subject: Re: questions to the new version of the Sustainable Web Design Model

Ritkán kap e-mailt a(z) tim@mightybytes.com<mailto:tim@mightybytes.com> e-mail-címről. Miért fontos ez?<https://aka.ms/LearnAboutSenderIdentification>
Hi Akos,

We’ve received your query via the Sustainable Web Design site. Thank you for your questions.

It’s worth pointing out that the people working on the SWDM for estimating digital emissions is a different group than those who created the Web Sustainability Guidelines (and this public mail list). This is covered in the FAQs here:
https://sustainablewebdesign.org/estimating-digital-emissions/



I’ve  reached out to the appropriate people and will let you know when I hear back.

Thanks,
Tim

Tim Frick
(he/him)
Mightybytes<https://www.mightybytes.com/>
773-561-7529

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On Mon, Jun 10, 2024 at 4:25 AM Herdics Akos <Akos.Herdics@crane.hu<mailto:Akos.Herdics@crane.hu>> wrote:
Dear Sustainable Web Design Community members,

My name is Akos Herdics, I am the Head of Data Science at Cabon.Crane. I am reaching out to you because we checked the new version of the Sustainable Web Design Model (https://sustainablewebdesign.org/estimating-digital-emissions/) and have some questions regarding the data on this page and the ones in the references.

Our questions are as follows:

  *   The ’System Segments’ section shows the distribution of the energy utilization for Data centers (22%), Networks (24%) and User devices (54%). 3 documents are referenced, but none of them explicitly use these percentages. Could you please give some guidance on how you arrived at these rates from these documents as a result?
  *   In the section ’ Operational and embodied emissions’, Malmodin’s research is used as a reference where we can see the following result which differs from the rates you use. Could you please explain what stands in the background of these differences?



Malmodin’s research (pages 16-17):

[cid:image001.png@01DAC0AF.8666BA20]



Sustainable Web Design Model:

[cid:image002.png@01DAC0AF.8666BA20]



  *   Please help us to find the 5.29 ZB of the Total data transfer across the internet (section ’Calculation walkthrough’ / ’Operational emissions’) in the referenced ITU 2023 document.
  *   In the section ’ Embodied emissions’ the following rates for the system segments can be seen:

[cid:image003.png@01DAC0AF.8666BA20]



Could you please help us find these rates in Malmodin’s research used as a reference?

  *   Has the Websitecarbon.com<https://www.websitecarbon.com/> already used the new formula when calculating the carbon emissions?

Thank you very much for your answers in advance.

Best regards,
Ákos Herdics
Head of Data Science
Business.CRꓥNE
+36-20-377-2591

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