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(578)
- News (88)
- Research (355)
- Events (2)
- Multimedia (8)
- Faculty Publications (186)
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- March 2024
- Background Note
Physical Climate Risk
By: Michael W. Toffel, Spencer Glendon and Alison Smart
This note describes how managers can identify their company’s physical climate risks, which can heighten the risk of business disruption, change the costs of operations and supply chains, and affect the demand for their goods and services. The note also provides a... View Details
- 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).
- 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.)
- 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.)
- 2022
- Working Paper
Pricing of Climate Risk Insurance: Regulatory Frictions and Cross-Subsidies
By: Ishita Sen, Ana-Maria Tenekedjieva and Sangmin Oh
We study the consequences of state-level price (rate) regulation for U.S. homeowners' insurance, a $15 trillion market that provides households protection against climate losses. Using two distinct identification strategies and novel data on regulatory filings and ZIP... View Details
Keywords: Climate Risk; Homeowners' Insurance; Price Controls; Financial Regulation; Cross-subsidization; Climate Change; Household; Insurance; Price; Governance Controls; Financial Institutions; United States
Sen, Ishita, Ana-Maria Tenekedjieva, and Sangmin Oh. "Pricing of Climate Risk Insurance: Regulation and Cross-Subsidies." Harvard Business School Working Paper, No. 24-077, June 2024. (Revise and Resubmit, Journal of Finance. SSRN Working Paper Series, No. 3762235, June 2022)
- January 2023
- Supplement
Organizational Climate Transition Risk Model
By: George Serafeim and Benjamin Maletta
- 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.
- November 2023 (Revised July 2024)
- 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 July 2024.)
- 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
How to Make Climate Risk Good Business
The risk profiles of many real estate markets are rapidly increasing globally. Insurers and mortgage brokers are taking note and adjusting their offering based on widely available climate data and predictive analytics. John Macomber suggests that consumers and... View Details
- 07 Apr 2020
- Video
Incorporating Climate Risk into Financial Models: Sustainable Finance
- Teaching Interest
Business Opportunties in Climate Adaptation
By: John D. Macomber
This is a Short Intensive Program or SIP at Harvard Business School. It’s an optional student offering prior to the formal start of the Spring semester the following week. SIPs tend to cover new material on current topics, to be less formal than the HBS Case Study... View Details
- 07 Apr 2020
- Video
Uncovering and Pricing Climate Risk in Long-Term Investments
- 07 Jul 2020
- Podcast
Uncovering and Pricing Climate Risk
How do managers within the different sectors of financial services identify and value climate risk? Professor George Serafeim talks with an asset manager, an insurer, a hedge fund manager, and an investment banker about their approaches to identifying and valuing... 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.
Climate Risk is Growing. Is Your Company Prepared?
Most people don’t have a strategy for 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... View Details