# Latest **URL:** https://community.carbonaltdelete.eu/latest.md [Latest](https://community.carbonaltdelete.eu/latest.md) · [Categories](https://community.carbonaltdelete.eu/categories.md) · [Tags](https://community.carbonaltdelete.eu/tags.md) --- ## [Welcome to Carbon+Alt+Delete! 👋](https://community.carbonaltdelete.eu/t/welcome-to-carbon-alt-delete/5)
**Author:** [@system](https://community.carbonaltdelete.eu/u/system)\ **Replies:** 0\ **Last updated:** [30 January 2024 18:10 UTC](https://community.carbonaltdelete.eu/t/welcome-to-carbon-alt-delete/5 "2024-01-30T18:10:54Z")
We are so glad you joined us. Carbon+Alt+Delete Where carbon accounting experts meet to discuss and learn. Here are some things you can do to get started: :speaking\_head: Introduce yourself by adding your picture an… --- ## [Recalculations of targets](https://community.carbonaltdelete.eu/t/recalculations-of-targets/637)
**Author:** [@RenatoAlbernaz](https://community.carbonaltdelete.eu/u/RenatoAlbernaz)\ **Replies:** 1\ **Last updated:** [11 August 2026 13:42 UTC](https://community.carbonaltdelete.eu/t/recalculations-of-targets/637 "2026-08-11T13:42:10Z")
I’ve been looking for more concrete guidelines on target setting when a recalculation is triggered, specifically regarding target years. When a company triggers a target recalculation due to a change in structure (merge… --- ## [Advisory Request on Emission Factor Methodology Change](https://community.carbonaltdelete.eu/t/advisory-request-on-emission-factor-methodology-change/646)
**Author:** [@carlatsantos](https://community.carbonaltdelete.eu/u/carlatsantos)\ **Replies:** 1\ **Last updated:** [11 August 2026 13:36 UTC](https://community.carbonaltdelete.eu/t/advisory-request-on-emission-factor-methodology-change/646 "2026-08-11T13:36:50Z")
Hello, I would like to take advantage of this community to seek advice regarding a change in the emission factor methodology for Scope 3 Category 1 calculations. I am currently working with a Spanish company that has b… --- ## [Scope 3 Category 11 — Minimum boundary vs. life-cycle emission factors](https://community.carbonaltdelete.eu/t/scope-3-category-11-minimum-boundary-vs-life-cycle-emission-factors/654)
**Author:** [@CarlosLC](https://community.carbonaltdelete.eu/u/CarlosLC)\ **Replies:** 0\ **Last updated:** [29 July 2026 17:07 UTC](https://community.carbonaltdelete.eu/t/scope-3-category-11-minimum-boundary-vs-life-cycle-emission-factors/654 "2026-07-29T17:07:52Z")
Hello everyone, We would appreciate your views on how the software applies Scope 3 Category 11 — Use of Sold Products, particularly for products that directly consume fuel or electricity during use. Let us take the exa… --- ## [Emission factors for hotels staying by country](https://community.carbonaltdelete.eu/t/emission-factors-for-hotels-staying-by-country/645)
**Author:** [@carlatsantos](https://community.carbonaltdelete.eu/u/carlatsantos)\ **Replies:** 3\ **Last updated:** [3 June 2026 16:38 UTC](https://community.carbonaltdelete.eu/t/emission-factors-for-hotels-staying-by-country/645 "2026-06-03T16:38:34Z")
Hi, Anyone can advise me with a emission factor database for hotels staying by country (kg CO2/night)? Thank you --- ## [Emission factor fabrics clothing](https://community.carbonaltdelete.eu/t/emission-factor-fabrics-clothing/470)
**Author:** [@tom](https://community.carbonaltdelete.eu/u/tom)\ **Replies:** 1\ **Last updated:** [25 March 2026 14:04 UTC](https://community.carbonaltdelete.eu/t/emission-factor-fabrics-clothing/470 "2026-03-25T14:04:25Z")
For a fashion company we need to calculate the emission of the purchased goods per type of fabric (cotton, polyester, …). What are the experiences / tips for best emission databases or LCA-studies to use for fabrics? I… --- ## [Best Practice for ecoinvent Version Control and Recalculations](https://community.carbonaltdelete.eu/t/best-practice-for-ecoinvent-version-control-and-recalculations/636)
**Author:** [@jelteliekens](https://community.carbonaltdelete.eu/u/jelteliekens)\ **Replies:** 1\ **Last updated:** [26 February 2026 08:59 UTC](https://community.carbonaltdelete.eu/t/best-practice-for-ecoinvent-version-control-and-recalculations/636 "2026-02-26T08:59:18Z")
Hi community, For our calculations in 2023 and 2024, we have been using ecoinvent 3.10. Since ecoinvent 3.11 is now available — and 3.12 has already been announced — we are reflecting on how to manage version updates w… --- ## [Fuel and charging cards linked to vehicles that are not leased or owned by the reporting company](https://community.carbonaltdelete.eu/t/fuel-and-charging-cards-linked-to-vehicles-that-are-not-leased-or-owned-by-the-reporting-company/632)
**Author:** [@Tatjana](https://community.carbonaltdelete.eu/u/Tatjana)\ **Replies:** 2\ **Last updated:** [24 February 2026 07:44 UTC](https://community.carbonaltdelete.eu/t/fuel-and-charging-cards-linked-to-vehicles-that-are-not-leased-or-owned-by-the-reporting-company/632 "2026-02-24T07:44:41Z")
Hi everyone, In which category do you include emissions linked to fuels/electricity that are financed with a fuel/charging card from the reporting company, but consumed in a vehicle that is not leased or owned by that c… --- ## [Scope 3.3 emissions for green electricity contracts](https://community.carbonaltdelete.eu/t/scope-3-3-emissions-for-green-electricity-contracts/627)
**Author:** [@Kenny](https://community.carbonaltdelete.eu/u/Kenny)\ **Replies:** 1\ **Last updated:** [13 February 2026 03:50 UTC](https://community.carbonaltdelete.eu/t/scope-3-3-emissions-for-green-electricity-contracts/627 "2026-02-13T03:50:37Z")
When selecting Emission Factors from AIB or IEA, I’ve noticed that green energy contracts typically show zero emissions associated with both generation and transmission & distribution. My question is: Shouldn’t there s… --- ## [GHG Protocol – Scope 3.1 for Pass-Through Transactions](https://community.carbonaltdelete.eu/t/ghg-protocol-scope-3-1-for-pass-through-transactions/631)
**Author:** [@veronika](https://community.carbonaltdelete.eu/u/veronika)\ **Replies:** 0\ **Last updated:** [26 January 2026 10:15 UTC](https://community.carbonaltdelete.eu/t/ghg-protocol-scope-3-1-for-pass-through-transactions/631 "2026-01-26T10:15:26Z")
How should emissions be accounted for under the GHG Protocol when I purchase products on behalf of a customer (with the customer specifying the supplier and product), organize the logistics, and then resell the goods to … --- ## [PACKAGING WASTE generated at external warehouses or logistic distributors](https://community.carbonaltdelete.eu/t/packaging-waste-generated-at-external-warehouses-or-logistic-distributors/629)
**Author:** [@Ariadna](https://community.carbonaltdelete.eu/u/Ariadna)\ **Replies:** 0\ **Last updated:** [26 January 2026 08:25 UTC](https://community.carbonaltdelete.eu/t/packaging-waste-generated-at-external-warehouses-or-logistic-distributors/629 "2026-01-26T08:25:45Z")
We are working with a company that mainly distributes products. To do so, it externalised the distribution to big logistic centers, which receive their products, prepare picking and re-distribute these products. Our que… --- ## [Accounting for Purchased Metal-Containing Waste under GHG Protocol – Scope 3 Category 1](https://community.carbonaltdelete.eu/t/accounting-for-purchased-metal-containing-waste-under-ghg-protocol-scope-3-category-1/481)
**Author:** [@JoeyKoers](https://community.carbonaltdelete.eu/u/JoeyKoers)\ **Replies:** 2\ **Last updated:** [21 January 2026 09:26 UTC](https://community.carbonaltdelete.eu/t/accounting-for-purchased-metal-containing-waste-under-ghg-protocol-scope-3-category-1/481 "2026-01-21T09:26:33Z")
Hi everyone, I’m currently supporting a facility that purchases metal-containing waste for thermal treatment and material recovery, and I’m looking to validate the appropriate GHG accounting approach for this setup unde… --- ## [Categorising emissions from research funding](https://community.carbonaltdelete.eu/t/categorising-emissions-from-research-funding/625)
**Author:** [@kevcouling](https://community.carbonaltdelete.eu/u/kevcouling)\ **Replies:** 0\ **Last updated:** [19 January 2026 12:51 UTC](https://community.carbonaltdelete.eu/t/categorising-emissions-from-research-funding/625 "2026-01-19T12:51:53Z")
I’m working with an organisation that funds research. Currently, they don’t quantify the emissions associated with the research they fund but I’m wondering, when they do, which Scope 3 category should they be reported in… --- ## [Primary Data Exports for Sea freight emissions: use of chargeable weight instead of actual weight](https://community.carbonaltdelete.eu/t/primary-data-exports-for-sea-freight-emissions-use-of-chargeable-weight-instead-of-actual-weight/623)
**Author:** [@Dominik](https://community.carbonaltdelete.eu/u/Dominik)\ **Replies:** 0\ **Last updated:** [2 January 2026 21:30 UTC](https://community.carbonaltdelete.eu/t/primary-data-exports-for-sea-freight-emissions-use-of-chargeable-weight-instead-of-actual-weight/623 "2026-01-02T21:30:29Z")
Hi all, while reviewing transport emissions for a client, we found significant differences in carrier-provided (primary) data for sea freight. Some transport companies calculate emissions based on chargeable weight, oth… --- ## [Residual emissions factors for green electricity tariffs](https://community.carbonaltdelete.eu/t/residual-emissions-factors-for-green-electricity-tariffs/619)
**Author:** [@kevcouling](https://community.carbonaltdelete.eu/u/kevcouling)\ **Replies:** 2\ **Last updated:** [14 December 2025 20:03 UTC](https://community.carbonaltdelete.eu/t/residual-emissions-factors-for-green-electricity-tariffs/619 "2025-12-14T20:03:44Z")
Hi All, I’m working with an organisation that purchases a small proportion of it’s electricity with a green tariff. Historically, they have assumed that the emissions factor for this energy is zero. I’ve advised that th… --- ## [Scope 3 emissions associated with electricity consumption](https://community.carbonaltdelete.eu/t/scope-3-emissions-associated-with-electricity-consumption/621)
**Author:** [@kevcouling](https://community.carbonaltdelete.eu/u/kevcouling)\ **Replies:** 2\ **Last updated:** [14 December 2025 20:03 UTC](https://community.carbonaltdelete.eu/t/scope-3-emissions-associated-with-electricity-consumption/621 "2025-12-14T20:03:00Z")
Looking at an inventory on the platform, I think I’m right in saying that the software automatically calculates the T&D emissions and the WTT Generation emissions for any electricity included in Scope 2. I’m wondering wh… --- ## [6.4 exemption for downstream emissions of intermediate products - can you include category 9 but exclude categories 10-12](https://community.carbonaltdelete.eu/t/6-4-exemption-for-downstream-emissions-of-intermediate-products-can-you-include-category-9-but-exclude-categories-10-12/614)
**Author:** [@harperb](https://community.carbonaltdelete.eu/u/harperb)\ **Replies:** 1\ **Last updated:** [9 December 2025 12:49 UTC](https://community.carbonaltdelete.eu/t/6-4-exemption-for-downstream-emissions-of-intermediate-products-can-you-include-category-9-but-exclude-categories-10-12/614 "2025-12-09T12:49:58Z")
My question is on the interpretation of 6.4 …In such a case, companies may disclose and justify the exclusion of downstream emissions from categories 9, 10, 11, and 12 in the report (but should not selectively exclude a… --- ## [In spend based analysis, should we include the value of taxes paid to local or national governments?](https://community.carbonaltdelete.eu/t/in-spend-based-analysis-should-we-include-the-value-of-taxes-paid-to-local-or-national-governments/617)
**Author:** [@kevcouling](https://community.carbonaltdelete.eu/u/kevcouling)\ **Replies:** 4\ **Last updated:** [28 November 2025 15:46 UTC](https://community.carbonaltdelete.eu/t/in-spend-based-analysis-should-we-include-the-value-of-taxes-paid-to-local-or-national-governments/617 "2025-11-28T15:46:28Z")
Hi All, Summary: In spend based analysis, should we include the value of taxes paid to local or national governments? Detail: I’m working on a spend-based analysis for a company that manufactures physical products. Se… --- ## [Rented products - GHG emissions](https://community.carbonaltdelete.eu/t/rented-products-ghg-emissions/384)
**Author:** [@jeanettemorren](https://community.carbonaltdelete.eu/u/jeanettemorren)\ **Replies:** 1\ **Last updated:** [19 November 2025 13:51 UTC](https://community.carbonaltdelete.eu/t/rented-products-ghg-emissions/384 "2025-11-19T13:51:20Z")
How do you account for GHG emissions of products that are rented for one day (such as for an event)? Thank you in advance! --- ## [SBTi simulation with Green Contract](https://community.carbonaltdelete.eu/t/sbti-simulation-with-green-contract/612)
**Author:** [@RichardD](https://community.carbonaltdelete.eu/u/RichardD)\ **Replies:** 1\ **Last updated:** [14 November 2025 17:31 UTC](https://community.carbonaltdelete.eu/t/sbti-simulation-with-green-contract/612 "2025-11-14T17:31:40Z")
Just playing with simulations and adding a “green” contract for hitting SBTi target. Bit suprised that it takes scope-2 to zero without asking a few questions! What is the thinking behind this? --- ## [Embedded emissions of leased, rented or 2nd hand purchased goods](https://community.carbonaltdelete.eu/t/embedded-emissions-of-leased-rented-or-2nd-hand-purchased-goods/220)
**Author:** [@Ferre](https://community.carbonaltdelete.eu/u/Ferre)\ **Replies:** 12\ **Last updated:** [14 November 2025 16:37 UTC](https://community.carbonaltdelete.eu/t/embedded-emissions-of-leased-rented-or-2nd-hand-purchased-goods/220 "2025-11-14T16:37:33Z")
While making a new carbon footprint analysis, I once more reflected on the amount of embedded emissions that need to be included, or not at all, when using the control approach of the GHG-protocol. It concerns a couple … --- ## [Platform Q: Entering Primary data for parcels from Royal Mail](https://community.carbonaltdelete.eu/t/platform-q-entering-primary-data-for-parcels-from-royal-mail/611)
**Author:** [@RichardD](https://community.carbonaltdelete.eu/u/RichardD)\ **Replies:** 1\ **Last updated:** [17 October 2025 06:32 UTC](https://community.carbonaltdelete.eu/t/platform-q-entering-primary-data-for-parcels-from-royal-mail/611 "2025-10-17T06:32:32Z")
The Royal Mail has given the client an Intensity measure of 0.165kg CO2e per average parcel. Just wondering if there is a better way of setting this up rather than putting in a custom conversion factor? We seem to be put… --- ## [Inflation correction Exiobase for '23 or '24](https://community.carbonaltdelete.eu/t/inflation-correction-exiobase-for-23-or-24/404)
**Author:** [@Jonah\_2Impact](https://community.carbonaltdelete.eu/u/Jonah_2Impact)\ **Replies:** 1\ **Last updated:** [26 September 2025 06:19 UTC](https://community.carbonaltdelete.eu/t/inflation-correction-exiobase-for-23-or-24/404 "2025-09-26T06:19:13Z")
EXIOBASE provides spend-based emission factors up to 2022. When applying this data to more recent years (2023 or 2024), should the emission factors or activity data be adjusted for inflation to reflect changes in economi… --- ## [AI and spend-based emission factors](https://community.carbonaltdelete.eu/t/ai-and-spend-based-emission-factors/609)
**Author:** [@veikko.sajaniemi](https://community.carbonaltdelete.eu/u/veikko.sajaniemi)\ **Replies:** 2\ **Last updated:** [26 September 2025 06:16 UTC](https://community.carbonaltdelete.eu/t/ai-and-spend-based-emission-factors/609 "2025-09-26T06:16:48Z")
Big tech emissions have been on the rise especially since 2020 due to AI. Exiobase’s latest version uses data from 1995-2020 with “now-casted” data for 2021-2022. So they don’t really cover the risen emissions due to AI.… --- ## [SBTi - FLAG or not for greenhouse agriculture and target setting](https://community.carbonaltdelete.eu/t/sbti-flag-or-not-for-greenhouse-agriculture-and-target-setting/603)
**Author:** [@Jean-Louis](https://community.carbonaltdelete.eu/u/Jean-Louis)\ **Replies:** 2\ **Last updated:** [23 September 2025 08:14 UTC](https://community.carbonaltdelete.eu/t/sbti-flag-or-not-for-greenhouse-agriculture-and-target-setting/603 "2025-09-23T08:14:16Z")
Good day, We are helping a company that grows tomatoes and other vegetables in greenhouses. It’s not clear to me if they fall under FLAG conditions for SBTi. Also, as they use a lot of gas for cogeneration (and subsid… --- ## [Event Attendees - which Category?](https://community.carbonaltdelete.eu/t/event-attendees-which-category/606)
**Author:** [@simonpyne](https://community.carbonaltdelete.eu/u/simonpyne)\ **Replies:** 1\ **Last updated:** [18 September 2025 17:54 UTC](https://community.carbonaltdelete.eu/t/event-attendees-which-category/606 "2025-09-18T17:54:25Z")
2 of my customers organise events for customers, who travel under their own cost to the venues (which are also not owned by the customer). I’m unclear if this fits into Scope 3, Category 9 or not. Clearly, my customer is… --- ## [Comment prendre en compte le retour à vide dans le calcul des émissions liés aux transports?](https://community.carbonaltdelete.eu/t/comment-prendre-en-compte-le-retour-a-vide-dans-le-calcul-des-emissions-lies-aux-transports/607)
**Author:** [@Berline\_SOH](https://community.carbonaltdelete.eu/u/Berline_SOH)\ **Replies:** 1\ **Last updated:** [18 September 2025 17:50 UTC](https://community.carbonaltdelete.eu/t/comment-prendre-en-compte-le-retour-a-vide-dans-le-calcul-des-emissions-lies-aux-transports/607 "2025-09-18T17:50:53Z")
Bonjour, J’aimerais savoir comment prendre en compte le retour à vide dans le calcul des émissions liées au transport, sachant que je souhaite utiliser l’intensité des émissions de GES exprimée en gCO₂/t.km. (Dans le ca… --- ## [3 different types of emission factors](https://community.carbonaltdelete.eu/t/3-different-types-of-emission-factors/604)
**Author:** [@KyleVanlerberghe](https://community.carbonaltdelete.eu/u/KyleVanlerberghe)\ **Replies:** 0\ **Last updated:** [9 September 2025 08:27 UTC](https://community.carbonaltdelete.eu/t/3-different-types-of-emission-factors/604 "2025-09-09T08:27:30Z")
Kenneth’s latest LinkedIn post is triggering an interesting discussion the different types of emission factors. We’re curious to hear your thoughts. Feel free to start the discussion here or add your insights to the Lin… --- ## [The purchase of vehicles from a car leasing provider Scope 3.1 or 3.2](https://community.carbonaltdelete.eu/t/the-purchase-of-vehicles-from-a-car-leasing-provider-scope-3-1-or-3-2/600)
**Author:** [@OleBrandt](https://community.carbonaltdelete.eu/u/OleBrandt)\ **Replies:** 3\ **Last updated:** [2 September 2025 13:29 UTC](https://community.carbonaltdelete.eu/t/the-purchase-of-vehicles-from-a-car-leasing-provider-scope-3-1-or-3-2/600 "2025-09-02T13:29:17Z")
Im am working on a CCF for a car leasing provider. Obviously, one of the biggest drivers of emissions is the purchase of (new) vehicles (especially the emissions from the manufacturing process - upstream). Now, I wonder… --- ## [Water Benchmarks for different regions](https://community.carbonaltdelete.eu/t/water-benchmarks-for-different-regions/602)
**Author:** [@biancarajawright](https://community.carbonaltdelete.eu/u/biancarajawright)\ **Replies:** 0\ **Last updated:** [28 August 2025 08:34 UTC](https://community.carbonaltdelete.eu/t/water-benchmarks-for-different-regions/602 "2025-08-28T08:34:32Z")
Hello! I am looking to estimate water consumption at offices in different regions that do not currently collect water consumption data. I was wondering if anyone knew any good sources of best practice for water consumpt… [Next page](https://community.carbonaltdelete.eu/latest.md?page=1)