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One-page EEIO intro with overview diagram - #20

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WesIngwersen merged 27 commits into
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eeio-intro
Oct 23, 2026
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WesIngwersen merged 27 commits into
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eeio-intro

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@WesIngwersen WesIngwersen commented Oct 22, 2026 •

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closes #11

Creates a single Introduction to EEIO models page, What is an EEIO model?

  • Overview diagram: input-output tables and the GHG extension combine in the EEIO model to produce emission factors (D, N)
  • Origins in economic IO analysis (Leontief 1970) and use for carbon footprinting (Minx et al. 2009)
  • The model's matrices and their common letters, linking to the notation page
  • How EEIO relates to the models used for LCA (Ingwersen 2026)
  • Multi-regional models (Davis et al. 2025)
  • Further reading: Hendrickson et al. 2006

The other intro placeholder pages are removed from the TOC for now; their files are kept.

Stacked on #18 (ghg).

WesIngwersen and others added 21 commits October 21, 2026 11:05
Write the GHG extension overview (gases, GWPs, scope, accounting basis,
shared steps, data years) and replace the data-sources placeholder with
a country-tiers page covering Tier 0 (U.S. v0.6) through Tier 3 and the
rest of world. Add glossary terms for CEDS, EDGAR, GHGRP, and residence
and territorial bases.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Extend data/country_tiers.csv with country names, IO source and year,
and GHG source and year, and generate the table on the Methods by
country page from it with figures/scripts/methods_by_country.py.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…le to 2024-2026 factors

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…en q

Drop the U.S. bypass and per-step captions; mark gas fill as dashed and
not needed for the U.S., China, Japan, or the UK; describe division by
industry output then conversion to commodities with market shares.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Add 38 verified references (U.S. inventory, facility, energy and vehicle
data; EDGAR, CEDS, OWID, FAOSTAT, Eurostat, OECD, ONS, Bank of Korea,
IPCC GWPs and guidelines) and cite them inline on the GHG overview and
GHG data by country tier pages.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Cite NIES 3EID for Japan GHG data, describe FIGARO emissions as built on
the 2025 FIGARO tables, and point the ONS citation at the June 2026 release.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Write the "What is an EEIO model?" page: origins in IO analysis, the
model's matrices, the link to LCA, and multi-regional models, with an
overview diagram of IO tables and the GHG extension combining into
emission factors. Drop the other intro placeholder pages from the TOC
for now.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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github-actions Bot commented Oct 22, 2026 •

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PR Preview Action v1.8.1
Preview removed because the pull request was closed.
2026-10-23 21:19 UTC

@WesIngwersen
WesIngwersen added this pull request to stack #19 October 22, 2026 13:59
@WesIngwersen WesIngwersen self-assigned this Oct 22, 2026
@WesIngwersen WesIngwersen added this to the v1.0-rc.1 milestone Oct 22, 2026
@WesIngwersen
WesIngwersen marked this pull request as ready for review October 22, 2026 14:24
Comment thread intro/what-is-eeio.md Outdated
Comment thread intro/what-is-eeio.md
Comment thread intro/what-is-eeio.md Outdated
Comment thread intro/what-is-eeio.md Outdated

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Posted minor suggestions for the text but looks good overall.

Base automatically changed from ghg to main October 23, 2026 20:47
WesIngwersen and others added 3 commits October 23, 2026 16:47
Write the "What is an EEIO model?" page: origins in IO analysis, the
model's matrices, the link to LCA, and multi-regional models, with an
overview diagram of IO tables and the GHG extension combining into
emission factors. Drop the other intro placeholder pages from the TOC
for now.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@WesIngwersen
WesIngwersen merged commit 5427abc into main Oct 23, 2026
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EEIO intro - Phase 1

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