Carbon Emissions - Publications - Faculty & Research - Harvard Business School

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June 2022
Case

Business Implications from Regulating Carbon Emissions in the EU

By: George Serafeim and Benjamin Maletta

In the beginning of the 21st century, the European Union (the EU) had led the global fight against climate change with a wide array of policy measures. The EU’s primary approach to climate policy had been taxation via the European Union Emissions Trading System (EU... View Details

Keywords: Regulation; Carbon Emissions; Trade; Sustainability; Decarbonization; Performance; Climate Change; Analysis; Strategy; Taxation; Policy; Environmental Regulation; Industry Structures; European Union

July–August 2024
Article

Disclosing Downstream Emissions

By: Robert S. Kaplan and Karthik Ramanna

An increasing number of companies are using the E-liability carbon-accounting method as an important tool for tracking progress toward reducing global emissions in their supply chains. The system does not require formal accounting for downstream emissions—those... View Details

Keywords: Carbon Emissions; Environmental Accounting; Corporate Accountability; Corporate Social Responsibility and Impact; Corporate Disclosure; Environmental Sustainability

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2022
Working Paper

Machine Learning Models for Prediction of Scope 3 Carbon Emissions

By: George Serafeim and Gladys Vélez Caicedo

For most organizations, the vast amount of carbon emissions occur in their supply chain and in the post-sale processing, usage, and end of life treatment of a product, collectively labelled scope 3 emissions. In this paper, we train machine learning algorithms on 15... View Details

Keywords: Carbon Emissions; Climate Change; Environment; Carbon Accounting; Machine Learning; Artificial Intelligence; Digital; Data Science; Environmental Sustainability; Environmental Management; Environmental Accounting

2021
Working Paper

Science-Based Carbon Emissions Targets

By: David Freiberg, Jody Grewal and George Serafeim

We examine the effect of voluntarily adopting a standard for setting science-based carbon emissions targets on target difficulty and investments to achieve those targets. We find that firms with a track record of setting and achieving ambitious carbon targets are more... View Details

Keywords: Target; Targeting; Target-setting; Target Efficiency; Management Control Systems; Management Accounting; Environment; Environmental And Social Sustainability; Climate Change; Environmental Management; Environmental Accounting; Environmental Sustainability; Management Analysis, Tools, and Techniques

2023
Working Paper

Accountability of Corporate Emissions Reduction Targets

By: Xiaoyan Jiang, Shawn Kim and Shirley Lu

Firms are increasingly announcing targets to reduce their carbon emissions, but it is unclear whether firms are held accountable for these targets. In this paper, we examine emissions targets that ended in 2020 to investigate the prevalence of missed targets, how firms... View Details

Keywords: Carbon Emissions; Corporate Disclosure; Corporate Accountability; Corporate Social Responsibility and Impact; Climate Change

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

2023
Working Paper

Toward Decision-Useful Carbon Information

By: Gunther Glenk

Companies are increasingly viewed as crucial drivers for timely decarbonization. Current accounting practices for greenhouse gas (GHG) emissions, however, often leave corporate carbon disclosures and abatement obscured. Here I introduce a taxonomy for assuring the... View Details

June 2024
Simulation

Vehicle Lifecycle Emissions Calculator

By: Mike Toffel, Shirley Lu and George Serafeim

This Vehicle Lifecycle Emissions Calculator calculates the greenhouse gas emissions over the lifespan of internal combustion engine (ICEs) vehicles, battery electric vehicles (BEVs), and plug-in hybrid electric vehicles (PHEV), including those associated with their... View Details

Keywords: Decarbonization; Environment; Carbon Accounting; Carbon; Carbon Abatement; Electric Vehicles; Automobiles; Environmental Accounting; Environmental Management; Environmental Sustainability; Strategy; Technological Innovation; Supply Chain; Business and Stakeholder Relations; Climate Change; Transportation; Transportation Industry; Auto Industry; Battery Industry

16 Oct 2019
Blog Post

Video: Using Micromobility to Reduce Carbon Emissions

Luciana Baigun, MBA 2014, started Bird with the intention to reduce carbon emissions. At the electric scooter company, Baigun is using her management skills for the service of others and the planet. View Video Check out how other alumni... View Details

March 2022
Article

Carbon Footprinting and Pricing under Climate Concerns

By: Marco Bertini, Stefan Buehler, Daniel Halbheer and Don Lehmann

This article studies how organizations should design a product by choosing the carbon footprint and price in a market with climate concerns. The authors first show how the cost and demand effects of reducing the product carbon footprint determine the profit-maximizing... View Details

Keywords: Carbon Footprint; Carbon Offsetting; Climate Impact; Net-zero Emissions; Pricing; Climate Change; Product Design; Price; Environmental Sustainability; Marketing

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June 2011 (Revised February 2024)
Background Note

Carbon Footprints: Methods and Calculations

By: Michael W. Toffel, Stephanie van Sice and Kelsey Carter

Describes methods to calculate the carbon footprint (greenhouse gas emissions) of an organization's operations and supply chain, and a product or service. Illustrates concepts with examples of calculating the carbon footprint of organizations and products. Provides... View Details

Keywords: Measurement; Climate Change; Climate Impact; Carbon Accounting; Carbon Footprint; Carbon Emissions; Sustainability; Environmental Management; Operations; Supply Chain; Pollutants; Measurement and Metrics; Environmental Sustainability

December 15, 2023
Article

What Every Leader Needs to Know About Carbon Credits

By: Varsha Ramesh Walsh and Michael W. Toffel

Many companies have begun to look into credits to offset their emissions as a way to support their net zero goals as their target years get closer and closer. As it stands, the carbon credit market is too small to bear the brunt of reducing companies’ impacts on the... View Details

Keywords: Carbon Credits; Climate; Accounting; Carbon Offsetting; Carbon Abatement; Carbon Emissions; Carbon Footprint; Climate Change; Environmental Accounting; Environmental Regulation

13 Aug 2019
Video

Using micromobility to reduce carbon emissions

September 2012
Background Note

Carbon Credits

By: Forest Reinhardt, Jost Hamschmidt and Mikell Hyman

Keywords: Carbon; Waste Management; Carbon Credits; Emission Reduction; Europe; Japan; Wastes and Waste Processing; Renewable Energy; Energy Industry; Green Technology Industry; Europe; Japan

22 Nov 2011
Working Paper Summaries

Carbon Tariffs: Impacts on Technology Choice, Regional Competitiveness, and Global Emissions

Keywords: by David F. Drake; Manufacturing

June 2011 (Revised December 2013)
Case

FIJI Water: Carbon Negative?

By: Francesca Gino, Michael W. Toffel and Stephanie van Sice

Seeking to go beyond global best practices in reducing environmental impacts, FIJI Water, a premium artesian bottled water company in the United States, launched a Carbon Negative campaign that would offset more greenhouse gas emissions than were released by the... View Details

Keywords: Carbon Footprint; Carbon Offsetting; Corporate Social Responsibility and Impact; Environmental Sustainability; Brands and Branding; Negotiation Tactics; Business and Government Relations; Corporate Strategy; Food and Beverage Industry; United States; Fiji

January 2023
Case

EKI Energy Services: One Billion Carbon Credits

By: George Serafeim

Within nine months from the time of its Initial Public Offering (IPO) in April of 2021, EKI Energy Services (EKI) shares had increased by more than 8,000%. Equally explosive was the growth of the company’s revenues and Earnings Before Interest, Taxes and Depreciation... View Details

Keywords: Carbon Credits; Carbon Emissions; Growth; Business Analysis; Environmental Sustainability; Corporate Valuation; Climate Change; Accounting; Valuation; Transition; Renewable Energy; Analysis; Product Positioning; India

10 Jan 2013
Working Paper Summaries

Pay for Environmental Performance: The Effect of Incentive Provision on Carbon Emissions

Keywords: by Robert G. Eccles, Ioannis Ioannou, Shelley Xin Li & George Serafeim

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

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July 2024
Teaching Plan

Business Implications from Regulating Carbon Emissions in the EU

By: George Serafeim

Teaching Plan for HBS Case No. 122-106. View Details

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