Publications

March 2025
Case

Calyx Global: Rating Carbon Credits

By: Michael W. Toffel and Adam Chen

This case describes how rating agencies and other organizations are seeking to improve the quality of carbon credits sold in the voluntary carbon market to organizations seeking to use them to supplement their internal decarbonization efforts to meet their net zero... View Details

Keywords: Service Design; Certification; Auditing; Auditor Reputation; Carbon Credits; Carbon; Rating Agency Disagreement; Ratings; Climate Change; Business Model; Environmental Sustainability; Corporate Social Responsibility and Impact; Conflict of Interests; Reputation; Business Strategy

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

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

May 2025
Teaching Note

Calyx Global: Rating Carbon Credits

By: Michael W. Toffel and Adam Chen

Teaching note to support the Calyx Global: Ratinng Carbon Credits case (HBS No. 625-102) View Details

08 Jun 2011
Lessons from the Classroom

Twenty-first Century Skill: Trading Carbon Credits

Cap and trade has become an increasingly popular mechanism used by governments to induce green behavior among corporate polluters, with news emerging almost daily. Just recently New Jersey Governor Chris Christie withdrew his state from the Regional Greenhouse Gas... View Details

Keywords: by Julia Hanna; Energy; Utilities

October 2023 (Revised March 2024)
Case

KOKO Networks: Bridging Energy Transition and Affordability with Carbon Financing

By: George Serafeim, Siko Sikochi and Namrata Arora

The problem was massive: two million hectares of African forests were lost annually to charcoal production for cooking, an area equivalent to 13 times Greater London, resulting in one billion tons of carbon emissions yearly. At the same time, an estimated 700,000... View Details

June 2024
Teaching Plan

Teaching Plan: EKI Energy Services: One Billion Carbon Credits

By: George Serafeim

Teaching Plan for HBS Case No. 123-060. View Details

June 2008 (Revised October 2008)
Case

International Carbon Finance and EcoSecurities

By: Andre F. Perold, Forest L. Reinhardt and Mikell Hyman

In late 2007, EcoSecurities had to decide whether to undertake a new Clean Development Mechanism (CDM) project in China. EcoSecurities was an aggregator of carbon credits and also invested directly in projects that produced carbon credits. Governments and firms... View Details

Keywords: Non-Renewable Energy; Cost Management; Investment Return; Business and Government Relations; Risk and Uncertainty; Investment; Cash Flow; Valuation; Pollutants; Environmental Sustainability; Financial Services Industry; China

November 2008 (Revised March 2009)
Case

South Pole Carbon Asset Management-Going for Gold?

By: Forest L. Reinhardt, Jost Hamschmidt and Mikell Hyman

In late 2008, Christoph Sutter, CEO of South Pole Carbon Asset Management, reflects on his firm's early success at originating carbon credits in developing nations and selling them to governments and firms that seek to offset their greenhouse gas emissions voluntarily... View Details

Keywords: Developing Countries and Economies; Non-Renewable Energy; Entrepreneurship; Governing Rules, Regulations, and Reforms; Environmental Sustainability; Corporate Strategy

April 2024 (Revised October 2024)
Case

New Belgium Brewing and Climate Change

By: Michael W. Toffel, Kenneth P. Pucker and Michael Norris

In 2023, Colorado-based craft brewery New Belgium Brewing was considering how best to meet its emissions reduction targets. After decades of growth, the beermaker had grown to become one of the largest craft brewers in the U.S., and was purchased in 2019 by Japanese... View Details

Keywords: Beer; Carbon Accounting; Carbon Credits; Operation Management; Renewable Energy; Supply Chain; Environmental Sustainability; Climate Change; Corporate Social Responsibility and Impact; Environmental Accounting; Food and Beverage Industry; United States; Colorado

November 2023
Case

Gabon Special Economic Zone

By: John Macomber and Wale Lawal

Tropical rain forest covers about 80% of the West African nation of Gabon, part of the Congo Basin and the "lungs of the world." Gabon is one of the first nations to earn revenue from carbon sequestration...as long as the rain forest remains intact. There are... View Details

Keywords: Economic Development; Forestry; Wood; Carbon Credits; Supply Chain; Economic Growth; Developing Countries and Economies; Climate Change; Environmental Sustainability; Government Administration; Business and Government Relations; Strategy; Forest Products Industry; Africa; Gabon

Research Summary

Overview

By: Robert S. Kaplan

Kaplan introduced time-driven activity-based costing (TDABC) to provide the cost component in Michael Porter's Value Based Health Care framework of delivering superior patient outcomes at lower societal cost. TDABC is becoming the global standard for health care... View Details

Keywords: Activity-based Costing And Management; Time-Driven ABC; Balanced Scorecard; Carbon Accounting; Carbon Credits; Inclusive Growth; Risk Management; Health Industry

October 2021
Article

Can European Electric Utilities Manage Asset Impairments Arising from Net Zero Targets?

By: Conor Hickey, John O'Brien, Ben Caldecott, Celine McInerney and Brian O' Gallachoir

This paper develops a framework to assess the ability of electric utilities to sustain the forced impairment of carbon emitting power plants and applies it to the European market. We present a new method to measure asset impairment, for both the company and the... View Details

Keywords: Carbon Emissions; Environmental Regulation; Transition; Utilities Industry; Europe

May 2023
Article

Decarbonizing Health Care: Engaging Leaders in Change

By: Vivian S. Lee, Kathy Gerwig, Emily Hough, Kedar Mate, Robert Biggio and Robert S. Kaplan

Health care leaders are often surprised to learn that their operations contribute significantly to a warming climate. In addition to their roles as responders to and victims of extreme weather events, health care organizations have an obligation to reduce... View Details

Keywords: Health Care; Decarbonization; Carbon Emissions; Net-zero Emissions; Climate Change; Health Care and Treatment; Health Industry

2022
Working Paper

The Issuance and Design of Sustainability-linked Loans

By: Maria Loumioti and George Serafeim

Sustainability-linked loans (i.e., syndicated loans for which pricing is linked to a sustainability performance indicator) have rapidly evolved into a significant private debt product. We find that sustainability-linked lending has been available mostly to borrowers... View Details

Keywords: Sustainability; Sustainability Management; Credit Products; Loan Contracts; Loans; Corporate Finance; Credit Risk; Environment; ESG; ESG Ratings; Climate Change; Finance; Borrowing and Debt; Risk and Uncertainty; Credit

SSRN

December 2008 (Revised January 2011)
Case

Arcadia Biosciences: Seeds of Change

By: Arthur A. Daemmrich, Forest L. Reinhardt and Mary Louise Shelman

Arcadia Biosciences is an entrepreneurial California agricultural biotech company seeking to earn carbon credits by modifying commodity crops for use in China and India. Eric Rey, Arcadia's CEO, faced a strategic inflection point in early September 2008. The company... View Details

Keywords: Business Startups; Entrepreneurship; Growth and Development Strategy; Environmental Sustainability; Science-Based Business; Climate Change; Agriculture and Agribusiness Industry; Biotechnology Industry; China; India; California

January 2011 (Revised July 2012)
Case

Arcadia Biosciences: Seeds of Change (Abridged)

By: Arthur A. Daemmrich

Arcadia Biosciences is seeking to introduce genetically modified rice to China that will lower farmers' costs and generate environmental benefits through reduced greenhouse gas emissions. The case describes challenges facing this small agricultural biotechnology... View Details

Keywords: Plant-Based Agribusiness; Intellectual Property; Genetics; Environmental Sustainability; Science-Based Business; Climate Change; Agriculture and Agribusiness Industry; Biotechnology Industry; China