Publications

April 2025
Teaching Note

Allbirds: Decarbonizing Fashion (A) and (B)

By: Michael W. Toffel, Ken Pucker and Stacy Straaberg

The Allbirds: Decarbonizing Fashion (A) case introduces Allbirds as a footwear startup not only focused on simple design, comfort, and sustainable natural materials but on decarbonizing the wider fashion industry. Background material highlights the growing... View Details

Keywords: Decarbonization; Climate Impact; Environmental Strategy; Innovation; Product Design; Supply Chain Management; Innovation Strategy; Innovation and Management; Product Development; Climate Change; Environmental Management; Environmental Sustainability; Apparel and Accessories Industry; Fashion Industry; United States; California

April 2025
Supplement

Allbirds: Decarbonizing Fashion PowerPoint Supplement

By: Michael W. Toffel, Ken Pucker and Stacy Straaberg

The Allbirds: Decarbonizing Fashion (A) case introduces Allbirds as a footwear startup not only focused on simple design, comfort, and sustainable natural materials but on decarbonizing the wider fashion industry. Background material highlights the growing... View Details

Keywords: Decarbonization; Climate Impact; Environmental Strategy; Innovation; Product Design; Supply Chain Management; Innovation Strategy; Innovation and Management; Product Development; Climate Change; Environmental Management; Environmental Sustainability; Apparel and Accessories Industry; Fashion Industry; United States; California

April 2025
Supplement

Joe Mazzulla and the Boston Celtics (B)

By: Linda A. Hill, James I. Cash and Lydia Begag

This case is a supplement to “Joe Mazzulla and the Boston Celtics” (A) and is set against the backdrop of the 2024 NBA Finals. It describes the impact of Mazzulla’s decision to rally his team with an aggressive “go for the kill” mindset instead of choosing language... View Details

April 2025
Article

Corporate Ownership and ESG Performance

By: Belen Villalonga, Peter Tufano and Boya Wang

Using a sample of 3083 firms from 62 countries over 18 years, we analyze how the structure and identity of firms' material owners influence their Environmental, Social, and Governance (ESG) performance. We find that firms with founding families or other individual... View Details

Keywords: ESG; CSR; Family Firms; Social Responsibility; Environment; Sustainability; Ownership; Corporate Social Responsibility and Impact; Corporate Governance; Environmental Sustainability

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March 2025
Case

Hurtigruten: Sea Zero

By: Christian Kaps and Michael W. Toffel

Hurtigruten was deciding whether the next ship they built should be fully electric. But such a vessel's battery, the size of electric cars, needed to be charged on the ship's multi-day voyage along the Norwegian coast. Before making such a $250 million investment, the... View Details

Keywords: Energy Sources; Alternative Energy; Renewable Energy; Climate Change; Ship Transportation; Environmental Regulation; Environmental Sustainability; Innovation and Management; Green Technology; Investment; Corporate Social Responsibility and Impact; Shipping Industry; Tourism Industry; Transportation Industry; Travel Industry; Norway; Europe

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 (Revised April 2025)
Case

Perplexity: Redefining Search

By: Suraj Srinivasan, Michelle Hu, Sriraghav Srinivasan and Radhika Kak

By early 2025, Perplexity had rapidly evolved from a modest startup into a popular "answer engine" valued at $9 billion. The company had boldly positioned itself as the disruptor to Google aiming to redefine search for the AI age. Through novel AI... View Details

Keywords: AI and Machine Learning; Venture Capital; Innovation Leadership; Technological Innovation; Internet and the Web; Business Startups; Competitive Strategy; Technology Industry; United States

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; Sports; Entertainment; Development Economics; Environmental Sustainability; Leadership; Bids and Bidding; Standards; Corporate Social Responsibility and Impact; Seattle

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 (Revised March 2025)
Case

Good for the Seller, Good for the Buyer and Good for Society: Sampo-yoshi, Sustainability and Trust at ITOCHU

By: Sandra J. Sucher and Bethelehem Y Araya

In 2024, ITOCHU CEO Masahiro Okafuji was at a crossroads. As the thirteenth CEO since ITOCHU’s founding in 1858, he had fueled the company’s growth since 2011 by bringing ITOCHU’s founding philosophy of Sampo-yoshi (good for the seller, good for the buyer and... View Details

Keywords: Sustainability; Trust; Profit; Growth and Development Strategy; Organizational Change and Adaptation; Mission and Purpose; Corporate Social Responsibility and Impact; Environmental Sustainability; Japan

March 2025
Case

Harvey: AI for Lawyers

By: Suraj Srinivasan, Charles Krumholz and Radhika Kak

In early 2025, Winston Weinberg and Gabe Pereyra, co-founders of Harvey AI, reflected on the company’s meteoric rise as a pioneer in AI-powered legal technology. Since its founding in 2022, Harvey had transformed how lawyers approached research, drafting, and document... View Details

Keywords: Innovation Strategy; Business Startups; AI and Machine Learning; Technological Innovation; Growth and Development Strategy; Product Positioning; Legal Services Industry; Technology Industry; New York (city, NY); San Francisco; London

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

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2025
Working Paper

Methane Abatement Costs in the Oil and Gas Industry: Survey and Synthesis

By: Joseph E. Aldy, Forest Reinhardt and Robert N. Stavins

There is growing recognition of the relative importance of anthropogenic emissions of methane as a contributor to global climate change. An important source of such emissions in some countries, including the United States, is the oil and gas (O&G) sector. This points... View Details

Keywords: Emission Reduction; Environmental Sustainability; Climate Change; Pollutants; Energy Industry

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February 2025
Teaching Note

Influencer-Led Brand Building: Hairitage and the McKnights

By: William R. Kerr and James Palano

Teaching Note for HBS Case No. 825-066. Mindy McKnight started in 2009 as an early influencer on social media whose videos of creative hairstyles for girls launched her family on an entrepreneurship journey. The McKnights transitioned from YouTube ad revenue to brand... View Details

Keywords: Family Business; Social Media; Entrepreneurship; Brands and Branding; Product Launch; Power and Influence; Expansion; Beauty and Cosmetics Industry

February 2025
Teaching Note

Negotiating a Legacy at Sustainable Harvest

By: Jillian J. Jordan, Julian Zlatev and Anoushka Kiyawat

Teaching Note for HBS Case Nos. 925-010 and 925-011. View Details

February 2025
Case

Apax Partners: Sustainability & Impact Metrics

By: Emily R. McComb, ZeSean Ali and Tom Quinn

February 2025
Case

Ingersoll Rand: Broadening Employee Ownership

By: Ethan Rouen and Jenyfeer Martinez Buitrago

Set in 2024, this case examines how Ingersoll Rand— a global leader in air, liquid, and gas handling technologies—approached broadening employee ownership. The company granted restricted stock units (RSUs) to all employees on their one-year anniversary, reinforcing a... View Details

Keywords: Financial Instruments; Compensation and Benefits; Retention; Ownership; Africa; Asia; Europe; Latin America; Middle East; North and Central America

February 2025
Article

Deep Responsibility, SDGs, and Asia: A Historical Perspective

By: Geoffrey Jones

Although it was only in 2015 the 17 SDGs were adopted by UN Member States, many of the underlying ideas can be found in the strategies of some businesses going back to the nineteenth century. Asia was the home of many of the most advanced concepts of business... View Details

Keywords: ESG; Multinational Corporation; Sustainability; Corporate Social Responsibility and Impact; Multinational Firms and Management; Corporate Governance; Leadership; Asia

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2025
Chapter

Sustainability and Green Business in Latin America

By: Geoffrey Jones

This chapter argues that since the nineteenth century capitalism has created much wealth, but at the cost of massive ecological destruction, which has been particularly severe in Latin America. During the first global economy before 1929, considerable wealth was... View Details

Keywords: Environmental Sustainability; Business History; Globalization; Economic Growth; Latin America

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