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- All HBS Web
(2,111)
- News (503)
- Research (1,168)
- Events (4)
- Multimedia (49)
- Faculty Publications (874)
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- October 2021
- Article
Shareholder Activism and Firms' Voluntary Disclosure of Climate Change Risks
By: Caroline Flammer, Michael W. Toffel and Kala Viswanathan
This paper examines whether—in the absence of mandated disclosure requirements—shareholder activism can elicit greater disclosure of firms’ exposure to climate change risks. We find that environmental shareholder activism increases the voluntary disclosure of climate... View Details
Keywords: Transparency; Reporting; Shareholder Engagement; Shareholder Activism; Climate Change; Risk and Uncertainty; Environmental Management; Investment Activism; Corporate Disclosure; Communication Strategy; Information Publishing; Measurement and Metrics; Corporate Social Responsibility and Impact; Problems and Challenges; United States
Flammer, Caroline, Michael W. Toffel, and Kala Viswanathan. "Shareholder Activism and Firms' Voluntary Disclosure of Climate Change Risks." Strategic Management Journal 42, no. 10 (October 2021): 1850–1879. (Featured in Harvard Business Review.)
- October 17, 2022
- Article
When Climate Collaboration Is Treated as an Antitrust Violation
By: Matteo Gasparini, Knut Haanaes and Peter Tufano
Carbon emissions transcend firms and borders—they are a massive, unpriced externality. Companies across industries are increasingly waking up to the need to cooperate in the fight against climate change but the law might get in the way. Across Europe and the U.S.,... View Details
Keywords: Climate Impact; Climate Finance; Antitrust; Anti-trust; Climate Change; Environmental Regulation; Law
Gasparini, Matteo, Knut Haanaes, and Peter Tufano. "When Climate Collaboration Is Treated as an Antitrust Violation." Harvard Business Review (website) (October 17, 2022).
- December 2020 (Revised September 2023)
- Case
PG&E and the First Climate Change Bankruptcy
By: Stuart C. Gilson and Sarah L. Abbott
In early 2020, the California-based utility PG&E filed a second amended plan of reorganization. PG&E had filed for Chapter 11 bankruptcy in the face of more than $30 billion of legal claims brought against it for its alleged role in causing California wildfires. The... View Details
Keywords: Chapter 11; Utilities; Liabilities; Restructuring; Insolvency and Bankruptcy; Debt Securities; Legal Liability; Climate Change; Utilities Industry; United States
Gilson, Stuart C., and Sarah L. Abbott. "PG&E and the First Climate Change Bankruptcy." Harvard Business School Case 221-057, December 2020. (Revised September 2023.)
- 2018
- Dictionary Entry
Communicating about Climate Change with Corporate Leaders and Stakeholders
By: Andrew J. Hoffman
Within the corporate sector, climate change represents an unfolding market shift, one that is driven by policy but also by pressures from a variety of market constituents such as consumers, suppliers, buyers, insurance companies, banks, and others. The shift takes... View Details
Hoffman, Andrew J. "Communicating about Climate Change with Corporate Leaders and Stakeholders." In The Oxford Encyclopedia of Climate Change Communication. 3 vols. Edited by Matthew Nisbet, Shirley Ho, Ezra Markowitz, Saffron O’Neill, Mike Schäfer, and Jagadish Thaker. Oxford University Press, 2018.
- 15 Apr 2014
- Research & Ideas
Calderón: Economic Arguments Needed to Fight Climate Change
the Global Commission on the Economy and Climate. Calderón chairs the initiative, which comprises corporate executives, local politicians, and former heads of state from 14 countries. ''If we provide economic arguments, we will win this battle'' "We know very well... View Details
- Research Summary
Engaging supply chains in climate change and sustainability issues
This research aims to develop a better understanding of the dynamics between supply chain partners in issues regarding climate change and sustainability. I am particularly interested in better understanding factors that motivate suppliers to share climate change... View Details
- July 2006
- Article
Climate Change As a Predictable Surprise
By: M. H. Bazerman
Keywords: Change
Bazerman, M. H. "Climate Change As a Predictable Surprise." Climatic Change (July 2006): 1–15.
- 24 Sep 2014
- Op-Ed
The ABCs of Addressing Climate Change (From a Business Perspective)
Change What role should business leaders play in trying to affect climate change? Harvard Business School faculty share their thoughts. A: Actuarial Thinking. Assessing probabilities and portfolio risk is... View Details
- 2013
- Case
Travelers Insurance: Focusing on Climate Change and Natural Catastrophe Risk
By: Andrew J. Hoffman
The dilemma Evan Blue faces stems from a report by sustainability advocacy group Ceres that calls on companies to take climate change into consideration in their risk models and develop response strategies. The fictional vice president of Traveler's Insurance is tasked... View Details
Hoffman, Andrew J. "Travelers Insurance: Focusing on Climate Change and Natural Catastrophe Risk." William Davidson Institute Case 1-429-347, 2013.
- 11 Jun 2011
- Conference Presentation
Engaging Suppliers to Mitigate Climate Change
Keywords: Climate Change
Toffel, Michael W. "Engaging Suppliers to Mitigate Climate Change." Paper presented at the Innovation in Operations Conference, June 11, 2011.
- May 1, 2020
- Article
COVID-19’s Hard Lessons Might Prepare Business for Climate Change
By: Joseph B. Lassiter III and Danielle Kost
The coronavirus pandemic caught the business world by surprise, but the catastrophe might force companies to face a crisis that has been unfolding in plain sight: climate change.
We asked faculty members affiliated with the Business and Environment Initiative at... View Details
We asked faculty members affiliated with the Business and Environment Initiative at... View Details
"COVID-19's Hard Lessons Might Prepare Business for Climate Change." Harvard Business School Working Knowledge (May 1, 2020).
- November 4, 2014
- Article
Divestment Alone Won’t Beat Climate Change
By: George Serafeim and Mark Fulton
Serafeim, George, and Mark Fulton. "Divestment Alone Won’t Beat Climate Change." Harvard Business Review (website) (November 4, 2014).
- March 2022 (Revised February 2024)
- Case
Climate Change & the Biden Administration
By: Gunnar Trumbull and James Barnett
Trumbull, Gunnar, and James Barnett. "Climate Change & the Biden Administration." Harvard Business School Case 722-030, March 2022. (Revised February 2024.)
- 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
Toffel, Michael W., Kenneth P. Pucker, and Michael Norris. "New Belgium Brewing and Climate Change." Harvard Business School Case 624-069, April 2024. (Revised October 2024.)
- January 2025
- Teaching Note
New Belgium Brewing and Climate Change
By: Michael W. Toffel, Kenneth P. Pucker and Michael Norris
Teaching Note for HBS Case No. 624-069. View Details
- 30 Apr 2020
- Book
Fighting Climate Change Requires a New Capitalism
Rebecca Henderson spent her young adult years living two lives. At work, she preached the risks of resisting change to MBA students at the Massachusetts Institute of Technology, drawing on lessons she learned while watching factories close as a management consultant.... View Details
- Teaching Interest
Cities, Structures, and Climate Shocks
By: John D. Macomber
This course is about building sustainable and resilient cities, future proofing real estate and infrastructure assets, and examining how businesses and investors find opportunities in climate adaptation.
The world faces substantial challenges in the face of... View Details
- 06 Jan 2010
- What Do You Think?
Is a Stringent Climate Change Agreement a Pot of Gold?
Summing Up Do we even need a stringent climate change agreement? Judging from this month's comments, a question can be raised about the necessity of a climate View Details
- 27 Jun 2012
- Conference Presentation