Filter Results:
(1,353)
Show Results For
- All HBS Web
(2,892)
- News (731)
- Research (1,353)
- Events (7)
- Multimedia (119)
- Faculty Publications (1,039)
Show Results For
- All HBS Web
(2,892)
- News (731)
- Research (1,353)
- Events (7)
- Multimedia (119)
- Faculty Publications (1,039)
Page 1 of 1,353
Results →
Sort by
- September 2023 (Revised October 2024)
- Case
Forecasting Climate Risks: Aviva’s Climate Calculus
By: Mark Egan and Peter Tufano
In late 2021, Ben Carr, Director of Analytics and Capital Modeling at Aviva Plc (Aviva)—a leading insurer with core operations in the UK, Ireland and Canada,—was preparing for an upcoming presentation before the company's board which included its CEO, Amanda Blanc,... View Details
Keywords: Climate Risk; Climate Finance; Forecasting; Insurance; Risk Measurement; Climate Change; Risk Management; Forecasting and Prediction; Insurance Industry; United States
Egan, Mark, and Peter Tufano. "Forecasting Climate Risks: Aviva’s Climate Calculus." Harvard Business School Case 224-025, September 2023. (Revised October 2024.)
- 2024
- Working Paper
Migration, Climate Similarity, and the Consequences of Climate Mismatch
By: Marguerite Obolensky, Marco Tabellini and Charles Taylor
This paper examines the concept of “climate matching” in migration—the idea that migrants seek out destinations with familiar climates. Focusing on the US, we document that temperature distance between origin and destination predicts the distribution of migrants across... View Details
Keywords: Migration; Climate; Immigration; Residency; Weather; Ethnicity; Climate Change; Geographic Location; Policy; United States
Obolensky, Marguerite, Marco Tabellini, and Charles Taylor. "Migration, Climate Similarity, and the Consequences of Climate Mismatch." Harvard Business School Working Paper, No. 24-031, November 2023. (Revised November 2024. Also available from VoxEU, e-axes, and HBS Working Knowledge.)
- March 2024 (Revised March 2025)
- Background Note
Physical Climate Risk
By: Michael W. Toffel, Spencer Glendon and Alison Smart
This note describes how managers can identify and manage their company’s physical climate risks, which can increase their operations and supply chain costs and risks, and affect demand for their goods and services. Can be paired with the video “Preparing business... View Details
- February 2023
- Article
Climate Solutions Investments
By: Alex Cheema-Fox, George Serafeim and Hui (Stacie) Wang
An increasing number of companies are providing products and services that help reduce carbon emissions in the economy. We develop a methodology to identify those companies and create a sample of publicly listed climate solutions companies allowing us to study their... View Details
Keywords: Decarbonization; Climate Finance; Climate Impact; Climate Risk; Environment; Sustainability; Carbon Emissions; Electric Vehicles; Energy; Renewables; Climate Change; Corporate Social Responsibility and Impact; Environmental Sustainability; Emerging Markets; Investment Portfolio
Cheema-Fox, Alex, George Serafeim, and Hui (Stacie) Wang. "Climate Solutions Investments." Journal of Portfolio Management 49, no. 3 (February 2023): 72–96.
- Research Summary
Climate Adaptation
By: John D. Macomber
It's clear that challenges like wildfires, river flooding, extreme heat, and storm surge are increasing. How will homeowners, businesses, instituations, goverments, and all of society decide what and whom to protect and what and whom to not protect? What is the timing?... View Details
- November 2023 (Revised February 2025)
- Background Note
Corporate Climate Targets
By: Willy C. Shih, Michael W. Toffel and Kelsey Carter
Companies that are addressing climate change by mitigating their greenhouse gas emissions often set reduction targets. This note describes several types of widely used carbon reduction targets, including carbon neutral, science based, net zero, real zero, and carbon... View Details
Keywords: Corporate Sustainability; Environmental Strategy; Climate Risk; Target-setting; Climate Change; Environmental Sustainability; Corporate Accountability; Policy; Measurement and Metrics; Strategic Planning; Social Issues; Corporate Social Responsibility and Impact
Shih, Willy C., Michael W. Toffel, and Kelsey Carter. "Corporate Climate Targets." Harvard Business School Background Note 624-041, November 2023. (Revised February 2025.)
- May 2022
- Teaching Note
Climate Action in Miami
By: Rosabeth Moss Kanter and Catarina Martinez
Teaching Note for HBS Case No. 322-101. The Miami metropolitan area is a global epicenter of climate risk from heat and sea level rise, but leaders have only recently mobilized for action to respond to this systemic challenge. Resilient 305 began a collaboration across... View Details
- March 2022 (Revised July 2022)
- Case
Climate Action in Miami
The Miami metropolitan area is a global epicenter of climate risk from heat and sea level rise, but leaders have only recently mobilized for action to respond to this systemic challenge. Resilient 305 began a collaboration across officials in the cities of Miami and... View Details
Keywords: Climate Change; Climate Impact; Change; Leadership; Cross-sector Collaboration; Coalition; Ecosystem; Greenhouse Gas Emissions; Green Business; Adaptation; Environmental Sustainability; Infrastructure; Green Technology; Environmental Management; Miami
Kanter, Rosabeth Moss. "Climate Action in Miami." Harvard Business School Case 322-101, March 2022. (Revised July 2022.)
- 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).
- October 26, 2022
- Article
Climate Risk Is Growing. Is Your Company Prepared?
By: John D. Macomber
Most people don’t have a strategy for how to handle the worsening perils of flooding, wildfires and extreme heat. They should adopt a four-step process for protecting their property, whether it be a home or a business. First, they should prioritize how important... View Details
Macomber, John D. "Climate Risk Is Growing. Is Your Company Prepared?" Harvard Business Review Digital Articles (October 26, 2022).
- 2024
- Working Paper
Climate Solutions, Transition Risk, and Stock Returns
By: Shirley Lu, Edward J. Riedl, Simon Xu and George Serafeim
Using large language models to measure firms' climate solution products and services, we find that high-climate solution firms exhibit lower stock returns and higher market valuation multiples. Their stock prices respond positively to events signaling increased demand... View Details
Keywords: Technology; Generative Ai; Large Language Models; Climate Finance; Climate Change; Innovation and Invention; Environmental Sustainability; AI and Machine Learning; Investment; Financial Markets
Lu, Shirley, Edward J. Riedl, Simon Xu, and George Serafeim. "Climate Solutions, Transition Risk, and Stock Returns." Harvard Business School Working Paper, No. 25-024, November 2024.
- 2021
- Working Paper
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: Shareholder Activism; Climate Risk; Corporate Accountability; Climate Change; Corporate Disclosure; Corporate Governance; Corporate Social Responsibility and Impact; Business and Shareholder Relations; Risk and Uncertainty; Natural Environment; Environmental Sustainability; Financial Services Industry; United States
Flammer, Caroline, Michael W. Toffel, and Kala Viswanathan. "Shareholder Activism and Firms' Voluntary Disclosure of Climate Change Risks." Harvard Business School Working Paper, No. 20-049, October 2019. (Revised March 2021.)
- April 2025
- Background Note
Climate Change Adaptation with Artificial Intelligence and Machine Learning
By: Michael W. Toffel and Nabig Chaudhry
Artificial Intelligence (AI) and machine learning (ML) have emerged as powerful tools to address climate change. This note summarizes a wide range of the uses of AI/ML to drive climate change adaptation and resilience, the measures organizations and governments are... 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
- February 2024
- Supplement
Can Cities Beat the Heat? (B6): Miami Climate Action Snapshot
By: Rosabeth Moss Kanter, Ai-Ling Jamila Malone and Jacob A. Small
Climate snapshots provide a summary of climate actions that occurred between 2018 and 2024, highlighting major green initiatives, innovations, carbon mitigation strategy, and action across multiple levels of government and the private sector. Snapshots also provide an... View Details
- February 2024
- Supplement
Can Cities Beat the Heat? (B7): Milwaukee Climate Action Snapshot
By: Rosabeth Moss Kanter, Coelin P. Scibetta and Jacob A. Small
Climate snapshots provide a summary of climate actions that occurred between 2018 and 2024, highlighting major green initiatives, innovations, carbon mitigation strategy, and action across multiple levels of government and the private sector. Snapshots also provide an... View Details
- February 2024
- Supplement
Can Cities Beat the Heat? (B3): Chattanooga Climate Action Snapshot
By: Rosabeth Moss Kanter, Coelin P. Scibetta and Jacob A. Small
Climate snapshots provide a summary of climate actions that occurred between 2018 and 2024, highlighting major green initiatives, innovations, carbon mitigation strategy, and action across multiple levels of government and the private sector. Snapshots also provide an... View Details
- 2024
- Working Paper
Catalysts for Climate Solutions: Corporate Responses to Venture Capital Financing of Climate-tech Startups
By: Shirley Lu, George Serafeim and Simon Xu
We study whether incumbent firms increase their product focus on climate solutions in response to venture capital (VC) financing of climate-tech startups. Using large language models to measure a firm's focus on climate solutions, we find that incumbents in similar... View Details
Keywords: Climate Finance; Climate Change; Technological Innovation; Entrepreneurship; Venture Capital; Private Equity; Environmental Sustainability; Business Startups
Lu, Shirley, George Serafeim, and Simon Xu. "Catalysts for Climate Solutions: Corporate Responses to Venture Capital Financing of Climate-tech Startups." Harvard Business School Working Paper, No. 25-025, November 2024.
- 2025
- Article
Educating Students and Professionals on the Business Implications of Climate Change
As climate change poses unprecedented challenges and opportunities, the private sector must play a pivotal role in both adaptation and mitigation efforts. This article discusses the new Harvard Business School Online course, Business and Climate Change, designed to... View Details
Keywords: Climate Impact; Online Courses; Online Education; Decarbonization; Mitigation Policies; Climate Risk; Climate Change; Risk Management; Science; Policy; Business Education; Adaptation
Toffel, Michael W. "Educating Students and Professionals on the Business Implications of Climate Change." Global Focus: The EFMD Business Magazine 192, no. 2 (2025): 29–32.
- 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
Bertini, Marco, Stefan Buehler, Daniel Halbheer, and Don Lehmann. "Carbon Footprinting and Pricing under Climate Concerns." Journal of Marketing 86, no. 2 (March 2022): 186–201.