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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

March 2025
Teaching Note

Seattle's Climate Pledge Arena: Ticket to a Greener Future

By: Rosabeth Moss Kanter and Jacob A. Small

Teaching Note for HBS Case No. 325-110. CEO Tim Leiweke reviewed the process by which his newly formed Oak View Group had managed a major rebuild of a landmark arena in Seattle which attracted a National Hockey League franchise and major entertainers concerned about... View Details

Keywords: Climate Change; Environmental Sustainability; Leadership; Bids and Bidding; Standards; Corporate Social Responsibility and Impact; Green Buildings; Construction; Partners and Partnerships; Sports Industry; Entertainment and Recreation Industry; Seattle

March 2025
Background Note

Getting to Net Zero: The Role of the Financial Sector

By: Shawn Cole, Jonah Zahnd, Karina Chung and Jack Cenovic

In early 2025, momentum towards the goal of reaching net zero carbon emissions by 2050 continued in many parts of the world, even as it appeared to face a set-back following the election of Donald Trump as president of the United States. Financial institutions... View Details

March 2025 (Revised March 2025)
Case

Seattle's Climate Pledge Arena: Ticket to a Greener Future

By: Rosabeth Moss Kanter and Jacob A. Small

Tim Leiweke reviewed how his development group and partners had completely rebuilt an aging Seattle landmark into the world’s greenest arena, carrying the visible name Climate Pledge Arena. It had attracted a new National Hockey League franchise, the Kraken, and... View Details

Keywords: Environmental Sustainability; Leadership; Bids and Bidding; Standards; Corporate Social Responsibility and Impact; Seattle

March 2025
Article

Limited Accountability and Awareness of Corporate Emissions Target Outcomes

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. Here we examine emissions targets that ended in 2020 to investigate the final target outcomes, the transparency of target... View Details

Keywords: Carbon Emissions; Goals and Objectives; Corporate Social Responsibility and Impact; Corporate Accountability; Environmental Sustainability; Public Opinion

January 2025
Case

GE Appliances 2025: Energizing Change

By: Rosabeth Moss Kanter and Jacob A. Small

At the turn of 2025, Kevin Nolan, CEO of GE Appliances following its acquisition by Chinese appliance giant Haier in 2016, is reviewing progress toward his net zero carbon vision for homes, which would otherwise exacerbate the global warming climate crisis. An... View Details

Keywords: Mergers and Acquisitions; Transformation; Climate Change; Environmental Sustainability; Technological Innovation

October 2024
Case

NextGen CDR Facility: From Davos to Details

By: Peter Tufano, Emily A. Chien and Karina Val

Next Gen CDR is a startup that pools corporate commitments to purchase Tech CDR, which promises to permanently remove and store carbon from the atmosphere to combat climate change. A partnership between South Pole and Mitsubishi Corp., Next Gen has secured initial... View Details

Keywords: Climate Change; Partners and Partnerships; Corporate Governance; Investment; Agreements and Arrangements

September 2024 (Revised February 2025)
Case

Aramco: Navigating the Energy Transition

By: Tarun Khanna and Gizem Cihan Dincsoy

In March 2024, Amin Nasser, president, and CEO of the Saudi Arabian Oil Company (Aramco), had just delivered a speech about the future of energy at a global energy conference. The world was behind schedule in meeting long-term climate change goals. The global shift... View Details

Keywords: Energy Transmission; Oil ＆ Gas; Economic Diversification; Corporate Strategy; Leadership; Business Strategy; Goals and Objectives; Transition; Environmental Sustainability; Diversification; Energy Industry; Saudi Arabia

August 2024
Case

Iogen: Decarbonizing Hard-to-Abate Sectors

By: George Serafeim, Charlotte Foody and John Mulliken

Brian Foody, CEO of Iogen Corporation, was an early leader in advanced biofuels, developing a range of technologies to transform agricultural waste into transportation fuel. With $100 million in revenue and 350 patents across various biofuel technologies, Iogen was... View Details

Keywords: Technology; Biofuel; Market Attractiveness; Decarbonization; Technological Innovation; Climate Change; Energy; Environmental Sustainability; Transformation; Market Entry and Exit; Strategy; Energy Industry; United States; United Kingdom

August 2024
Background Note

Mitigating Climate Change with Machine Learning

By: Michael W. Toffel, Kelsey Carter, Amy Chambers, Avery Park and Susan Pinckney

This note highlights how machine learning is being used to decarbonize (reduce GHG emissions) several key sectors including electricity, transportation, building, industrial processes, and agriculture -- and how machine learning is being used to accelerate efforts to... View Details

Keywords: Climate; Artificial Intelligence; Adaptation; Climate Change; AI and Machine Learning; Innovation and Invention

July 2024
Teaching Plan

KOKO Networks: Bridging Energy Transition and Affordability with Carbon Financing

By: George Serafeim

Teaching Plan for HBS Case No. 124-022. View Details

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

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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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 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

April 2024
Teaching Note

Harvard University and Urban Mining Industries: Decarbonizing the Supply Chain

By: Shirley Lu and Robert S. Kaplan

Teaching Note for HBS Case No. 123-076. View Details

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

April 2024
Teaching Note

Ferrari: Shifting to Carbon Neutrality

By: Raffaella Sadun

Teaching Note for HBS Case No. 723-446. A sports car manufacturer commits to carbon neutrality and to electrifying a large part of its car fleet. View Details

Keywords: Strategic Planning; Corporate Social Responsibility and Impact; Leadership Style; Environmental Sustainability; Auto Industry; Italy

April 2024
Supplement

Recycle & Re-Match: The Future of Soccer Turfs

By: George Serafeim

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

April 2024
Article

Model-based Financial Regulations Impair the Transition to Net-zero Carbon Emissions

By: Matteo Gasparini, Matthew C. Ives, Ben Carr, Sophie Fry and Eric Beinhocker

Investments via the financial system are essential for fostering the green transition. However, the role of existing financial regulations in influencing investment decisions is understudied. Here we analyse data from the European Banking Authority to show that... View Details

Keywords: Climate Change; Investment; Governing Rules, Regulations, and Reforms; Energy Sources

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