g ExxonMobilImpact.
Illumination Index
11/22
Lower values indicate greater alignment. Higher values indicate more gaps detected.
The Index evaluates how clearly a company’s sustainability communications align with available evidence. It does not measure the company’s overall sustainability performance or determine the company’s intent.
What The Index Evaluates:
ExxonMobil presents a different communication challenge because much of the underlying emissions information is publicly disclosed. The key question is how consumers should interpret that information alongside broader messages about climate leadership and lower-emissions solutions.
The Illumination Index places absolute emissions, emissions intensity, public positioning and accounting methods side by side so those distinctions are easier to understand.
Part A - Communication Pattern Analysis
6/12
Part B - Claims vs. Data Comparison
5/10
Key Finding
Pattern Identified
ExxonMobil publicly projects an approximately 6% increase in full life-cycle absolute emissions by 2030 while emphasizing its investments in lower-emissions technologies and climate solutions. The company has also proposed a Carbon Emissions Accounting approach that differs from widely used emissions-reporting frameworks. The Illumination Index identifies a gap between the company’s climate-leadership messaging and the direction of its reported total emissions, while also considering how different accounting methods may affect comparisons with other companies.
What This Pattern Means
ExxonMobil does disclose its projected emissions increase, so the issue is not a lack of available data. The challenge for consumers is understanding what the company means when it communicates climate progress. Reductions in emissions intensity can occur even while total emissions increase, and a different accounting method can make comparisons with other companies more difficult. The Illumination Index puts these measures alongside ExxonMobil’s public climate messaging so consumers can see what is improving, what is increasing and how the company measures that progress.
What The Illumination Index Found
ExxonMobil’s earlier 2030 plan targeted about a 20% reduction in corporate-wide absolute greenhouse-gas emissions from 2016 levels. Its newer reporting projects full life-cycle absolute emissions about 6% above 2016 levels by 2030. These figures cover different emissions scopes, so they are not directly comparable. However, they show why consumers need to look at which emissions a climate target includes, not just the headline reduction claim.
1
ExxonMobil now projects higher full life-cycle emissions than its earlier reduction plans suggested.
ExxonMobil reports that it has reduced operated greenhouse-gas emissions intensity by more than 20% since 2016 and plans to invest about $20 billion in lower-emissions projects from 2025 through 2030. At the same time, its climate reporting projects that full life-cycle emissions intensity will fall by about 8%, while total full life-cycle emissions will rise by about 6% by 2030 compared with 2016. For consumers, the difference is important: emissions intensity measures how much pollution is produced relative to output, while absolute emissions measure the total amount of greenhouse gases released. This means a company can become more efficient per unit of production while still increasing its overall emissions. The Illumination Index shows both measures together so consumers can understand what the reported climate progress represents.
2
ExxonMobil talks about investing in lower-emissions technologies.
ExxonMobil has proposed a Carbon Emissions Accounting framework.
ExxonMobil argues that the Greenhouse Gas Protocol (GHG Protocol), a widely used framework for corporate emissions reporting, has limitations for product- and transaction-level accounting. It has proposed a separate Carbon Emissions Accounting (CEA) framework that measures and allocates emissions differently. This matters because CEA results would not be directly comparable with companies using the GHG Protocol unless the same methodology were adopted or the data were reconciled. ExxonMobil argues that broader adoption could improve product-level comparisons, but different systems can make like-for-like comparisons more difficult for consumers, researchers and auditors.
3
Indicator Breakdown
Each indicator: 0 = not detected · 1 = partially present · 2 = clearly and systematically present. Every indicator is anchored to a specific source.
What is ESG?
ESG stands for Environmental, Social and Governance. It is a broad way of looking at how a company affects the environment, treats people and communities, and manages leadership, oversight and accountability.
What is the TCFD?
TCFD stands for Task Force on Climate-related Financial Disclosures. It is a framework that helps companies explain how climate-related risks and opportunities could affect their business, strategy and financial planning. TCFD helps make climate reporting easier to evaluate and compare.
References
Environmental Resources Management (ERM CVS). Independent limited assurance statement: ExxonMobil greenhouse gas emissions and energy use data. ERM.
ExxonMobil. (2024). 2024 advancing climate solutions progress report. https://corporate.exxonmobil.com/sustainability-and-society/climate-solutions
ExxonMobil. (2024). 2024 sustainability report. https://corporate.exxonmobil.com/sustainability-and-society/sustainability-report
ExxonMobil. (2024). Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 (Form 10-K). U.S. Securities and Exchange Commission. https://investors.exxonmobil.com/financial-information/annual-reports-and-proxy
ExxonMobil. (n.d.). Real world progress . https://lowcarbon.exxonmobil.com/about-us/real-world-progress
InfluenceMap. (2025). ExxonMobil: Climate policy engagement . https://lobbymap.org/company/ExxonMobil
International Energy Agency. (2023). Net zero by 2050: A roadmap for the global energy sector. IEA. https://www.iea.org/reports/net-zero-by-2050
Ipieca & IOGP. (2023). Ipieca–IOGP petroleum industry guidelines for reporting greenhouse gas emissions (3rd ed.). Ipieca. https://www.ipieca.org/resources/good-practice/ipieca-iogp-petroleum-industry-guidelines-for-reporting-greenhouse-gas-emissions/
Net Zero Tracker. (n.d.). ExxonMobil . Energy & Climate Intelligence Unit, Oxford Net Zero, NewClimate Institute, & Data-Driven EnviroLab. https://zerotracker.net
Science Based Targets initiative. (n.d.). SBTi target dashboard . https://sciencebasedtargets.org/companies-taking-action
World Resources Institute & World Business Council for Sustainable Development. (2004). The greenhouse gas protocol: A corporate accounting and reporting standard (Rev. ed.). WRI/WBCSD. https://ghgprotocol.org/corporate-standard