Publications

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March 2024
Article

Establishing the Foundation for Carbon Trading Markets

By: Robert S. Kaplan, Karthik Ramanna and Marc Roston

Poor measurement practices and inadequate controls have led to extensive trading of carbon offset instruments that do not materially reduce the supply of atmospheric GHG. We introduce five carbon offset accounting principles, built from fundamental financial-accounting... View Details

Keywords: Carbon Offsetting; Accounting; Carbon Accounting; E-liabilities; Measurement; Trading; Environmental Accounting; Environmental Sustainability

2024
Working Paper

Principles and Content for Downstream Emissions Disclosures

By: Robert S. Kaplan and Karthik Ramanna

In a previous paper, we proposed the E-liability carbon accounting algorithm for companies to measure and subsequently reduce their own and their suppliers’ emissions. Some investors and stakeholders, however, want companies to also be accountable for downstream... View Details

Keywords: Carbon Emissions; Disclosure; Carbon Footprint; Climate Change; Measurement and Metrics; Corporate Disclosure; Environmental Sustainability; Corporate Social Responsibility and Impact

Article

Update on E-liability Accounting

By: Robert Kaplan, Karthik Ramanna and Piyush Jha

Since publication of the original E-liability carbon accounting paper (HBR, Nov 2021), we created the E-liability Institute to help companies, governments, and nonprofits implement the method. The Institute’s mission is to test and validate the method, and develop... View Details

Keywords: Decarbonization; Carbon Footprint; Supply Chain; Environmental Sustainability; Environmental Accounting

May 2023 (Revised June 2023)
Case

Harvard University and Urban Mining Industries: Decarbonizing the Supply Chain

By: Shirley Lu and Robert S. Kaplan

The case describes Harvard University’s consideration to decarbonize its supply chain by replacing cement with a low-carbon substitute called Pozzotive®. Developed and produced by Urban Mining Industries, Pozzotive® is a ground-glass material made with post-consumer... View Details

Keywords: Carbon Emissions; Blockchain; Supply Chain; Green Technology; Climate Change; Environmental Sustainability

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April 3, 2023
Article

Getting a Clearer View of Your Company’s Carbon Footprint

By: Robert S. Kaplan, Karthik Ramanna and Stefan Reichelstein

E-liability accounting is a new technique that will help customers factor in a product’s environmental footprint into their purchasing decisions and will help create a competition dynamic that leads to reduced carbon outputs. This article describes two pilot studies—by... View Details

Keywords: Environmental Sustainability; Environmental Accounting; Supply Chain; Consumer Behavior

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2023
Working Paper

Accounting for Carbon Offsets – Establishing the Foundation for Carbon-Trading Markets

By: Robert S. Kaplan, Karthik Ramanna and Marc Roston

Tackling climate change requires reductions in current and future greenhouse gas (GHG) emissions as well as the removal of existing GHG from the atmosphere. Carbon-offset producers purport to provide such removals. But poor measurement practices and inadequate controls... View Details

Keywords: Carbon Offsetting; Climate Change; Environmental Regulation; Corporate Accountability

SSRN

Article

We Need Better Carbon Accounting. Here's How to Get There.

By: Robert S. Kaplan and Karthik Ramanna

Any effective system of greenhouse gas (GHG) accounting needs to measure each company’s supply-chain carbon impacts accurately. Such information would provide visibility and incentives for the company to make more climate-friendly product-specification and purchasing... View Details

Keywords: Accounting; Greenhouse Gas Emissions; GHG; Carbon Accounting; Environmental Accounting; Environmental Management; Governing Rules, Regulations, and Reforms; Supply Chain

Other Article

Sustainable Strategies and Net-Zero Goals

By: Mark L. Frigo, Robert S. Kaplan and Karthik Ramanna

In a recent Harvard Business Review article, Kaplan and Ramanna describe a rigorous approach, the E-liability method, for companies’ ESG reporting, especially as it pertains to GHG emissions measurements. They argue that the current standards for measuring... View Details

Keywords: Measurement; Sustainability; Net-zero Emissions; Environmental Sustainability; Integrated Corporate Reporting; Measurement and Metrics; Strategy

Article

Accounting for Climate Change

By: Robert S. Kaplan and Karthik Ramanna

Corporations are facing growing pressure—from investors, advocacy groups, politicians, and even business leaders themselves—to reduce greenhouse gas (GHG) emissions from their operations and their supply and distribution chains. About 90% of the companies in the S&P... View Details

Keywords: Greenhouse Gas Mitigation; Social Accounting; E-liabilities; Business And The Environment; Climate Change; Corporate Social Responsibility and Impact; Environmental Sustainability