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by Projet Celsius
Projet Celsius
AI Impact Database
A phone open on a conversation with an AI
Database topicUses

Text and conversation

Writing, reading, summarising and conversing with an assistant, from a simple e-mail to a document of 30 pages.

The lowest of the 21 usesWrite an email0.11gCO2eper e-mail, servers worldwide× 1.3Reference useQuick question0.14gCO2eper question× 330The heaviestDeep research45gCO2eper search

Emissions of one use, 21 uses

0.5 gCO2eBars and squares are read by their area. A family with a value above the line is drawn in squares.

Write and converse7 uses

  1. Write an email0.11 gCO2e
  2. Quick question0.14 gCO2e
  3. Write a page0.21 gCO2e
  4. Proofread a page0.27 gCO2e
  5. Translate a page0.27 gCO2e
  6. Article of 1,000 words0.51 gCO2e
  7. Conversation of 10 exchanges1.6 gCO2e

By assistant, with its own source4 uses

  1. Question to Gemini0.11 gCO2e
  2. Question to Claude0.14 gCO2e
  3. Question to ChatGPT0.16 gCO2e
  4. Le Chat, LCA1.14 gCO2e

Composite tasks6 uses

  1. Handle a customer request0.56 gCO2e
  2. Write meeting minutes0.66 gCO2e
  3. Review a contract2.7 gCO2e
  4. Prepare a lesson2.8 gCO2e
  5. Presentation of 10 slides5.2 gCO2e
  6. Literature search13 gCO2e

Read and summarise4 uses

  1. Analyse a spreadsheet1.3 gCO2e
  2. Query a PDF2.2 gCO2e
  3. Summarise 30 pages2.2 gCO2e
  4. "Quick question" fits 330 timesDeep research45 gCO2e
Area proportional to the value. Values published or calculated by the database depending on the entry, sources in each entry. For calculated values, servers worldwide.

All the entries of the topic

26 entries, each with its entry page: composition, assumptions and sources. With no named source, the value is a calculation of the database.

Uses

Write and converse7

Read and summarise4

Composite tasks6

By assistant, with its own source4

Machine operations

Text5

Header photo: Jernej Furman, Wikimedia Commons, CC BY 2.0.

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The other topics of the database

Database topicCode and agentsPrevious topicThe 18 entriesDatabase topicSearchNext topicThe 6 entriesDatabase topicImageThe 8 entries

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The reference chartsFrom the pollution of each AI to the electricity used by data centres, each with its data and sources.See the chartsWorld mapsCarbon intensity of electricity, low-carbon share, water stress, country by country.Explore the mapsThe calculation toolsEstimate the footprint of your uses, compare the country of the servers, browse the orders of magnitude.Open the tools

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An error, a source to add, a methodology question, a press request: write to us. Guillaume Pakula, Clément Reynaud, Sébastien Pierfederici and Alexandre Veilly will reply.

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Projet Celsius, which runs this hub, also helps companies measure and reduce the footprint of their AI use.

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Projet Celsius, environmental strategy consultancy

We support companies that account for AI in their Bilan Carbone®

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