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Show Results For
- All HBS Web
(780)
- News (164)
- Research (424)
- Events (1)
- Multimedia (12)
- Faculty Publications (321)
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- October 2023 (Revised March 2024)
- Case
KOKO Networks: Bridging Energy Transition and Affordability with Carbon Financing
By: George Serafeim, Siko Sikochi and Namrata Arora
The problem was massive: two million hectares of African forests were lost annually to charcoal production for cooking, an area equivalent to 13 times Greater London, resulting in one billion tons of carbon emissions yearly. At the same time, an estimated 700,000... View Details
Keywords: Clean Tech; Digital; Carbon Credits; Carbon Offsetting; Climate Change; Entrepreneurship; Energy Sources; Environmental Sustainability; Health; Market Design; Business Startups; Transition; Environmental Regulation; Policy; Energy Industry; Consumer Products Industry; Africa; Kenya; Rwanda
Serafeim, George, Siko Sikochi, and Namrata Arora. "KOKO Networks: Bridging Energy Transition and Affordability with Carbon Financing." Harvard Business School Case 124-022, October 2023. (Revised March 2024.)
- 13 Nov 2019
- Working Paper Summaries
Shareholder Activism and Firms’ Voluntary Disclosure of Climate Change Risks
- February 2012 (Revised September 2013)
- Case
Edward Lundberg and the Rockville Building: Energy Efficiency Finance in Commercial Real Estate
By: John D. Macomber and Frederik Nellemann
A commercial landlord analyzes options for funding and accomplishing energy efficiency retrofit. The situation is complicated by lease terms and uncertain effectiveness of the intervention. Students must grapple with obstacles including changing energy prices,... View Details
Macomber, John D., and Frederik Nellemann. "Edward Lundberg and the Rockville Building: Energy Efficiency Finance in Commercial Real Estate." Harvard Business School Case 212-067, February 2012. (Revised September 2013.)
- July 2024
- Teaching Plan
Investing in the Climate Transition at Neuberger Berman
By: George Serafeim
Teaching Plan for HBS Case No. 123-092. View Details
- 2024
- Working Paper
When Insurers Exit: Climate Losses, Fragile Insurers, and Mortgage Markets
By: Ishita Sen, Pari Sastry and Ana-Maria Tenekedjieva
This paper studies how homeowners insurance markets respond to growing climate losses and how this impacts mortgage market dynamics. Using Florida as a case study, we show that traditional insurers are exiting high risk areas, and new lower quality insurers are... View Details
Keywords: Insurance; Natural Disasters; Governing Rules, Regulations, and Reforms; Insurance Industry; Florida
Sen, Ishita, Pari Sastry, and Ana-Maria Tenekedjieva. "When Insurers Exit: Climate Losses, Fragile Insurers, and Mortgage Markets." Harvard Business School Working Paper, No. 24-051, February 2024. (Revise & Resubmit, Quarterly Journal of Economics.)
- 01 May 2020
- In Practice
COVID-19’s Hard Lessons Might Prepare Business for Climate Change
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
Keywords: by Danielle Kost
- 2025
- Working Paper
Climate Risk and the U.S. Insurance Gap: Measurement, Drivers and Implications
By: Parinitha Sastry, Tess Scharlemann, Ishita Sen and Ana-Maria Tenekedjieva
In a world with rising risk, how much are U.S. households willing to pay for homeowners insurance, and what does their demand imply for the future of insurance markets? We provide the first estimates of household willingness to pay for homeowners insurance and the... View Details
Keywords: Climate Change; Risk and Uncertainty; Insurance; Personal Finance; Consumer Behavior; Mortgages
Sastry, Parinitha, Tess Scharlemann, Ishita Sen, and Ana-Maria Tenekedjieva. "The Limits of Insurance Demand and the Growing Protection Gap." Harvard Business School Working Paper, No. 25-054, February 2025.
- September 20, 2024
- Article
It’s Time to Unbundle ESG
By: Aaron K. Chatterji and Michael W. Toffel
ESG is at an inflection point. It has come to represent a broad and inchoate aspiration for what business should be doing beyond maximizing shareholder value. With ESG advocates on the defensive, business leaders need a new roadmap to determine which factors to... View Details
Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; ESG Reporting; ESG Disclosure; Sustainability; Climate; Climate Finance; Climate Risk; Social Accounting; Investment; Governance; Safety; Climate Change; Environmental Sustainability; Corporate Social Responsibility and Impact; Financial Services Industry
Chatterji, Aaron K., and Michael W. Toffel. "It’s Time to Unbundle ESG." Harvard Business Review (website) (September 20, 2024).
- 2022
- Article
The Pricing and Ownership of U.S. Green Bonds
By: Malcolm Baker, Daniel Bergstresser, George Serafeim and Jeffrey Wurgler
We study green bonds, which are bonds whose proceeds are used for environmentally sensitive purposes. After an overview of the U.S. corporate and municipal green bonds markets, we study pricing and ownership patterns using a simple framework that incorporates assets... View Details
Keywords: Green Bond; Pricing; Climate Finance; ESG; SRI; Sustainable; Municipal; Bonds; Environmental Sustainability; Financial Markets; Price; Ownership; United States
Baker, Malcolm, Daniel Bergstresser, George Serafeim, and Jeffrey Wurgler. "The Pricing and Ownership of U.S. Green Bonds." Annual Review of Financial Economics 14 (2022): 415–437.
- 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
- Article
Hurry or Wait: The Pros and Cons of Going Fast or Slow on Climate Change
By: Eleanor Denny and Jurgen Weiss
Climate change risk will likely force the de-carbonization of our electricity sector and thus involve massive investments in long-lived assets using many new and emerging technologies. Since technological progress (independent or dependent on deployment) will likely... View Details
Keywords: Electricity Sector; Environmental Risks; Fat Tails; Greenhouse Gas Emissions; Climate Change; Information Technology; Investment; Technological Innovation; Cost vs Benefits
Denny, Eleanor, and Jurgen Weiss. "Hurry or Wait: The Pros and Cons of Going Fast or Slow on Climate Change." Economists' Voice 12, no. 1 (August 2015): 19–24.
- Research Summary
Overview
By: Peter Tufano
Tufano’s research has focused on financial innovation and financial engineering—and for more than two decades, household finance. While he continues to study these topics, his current primary research is on the role of business in addressing climate change. With... View Details
- 16 Oct 2013
- Op-Ed
Response to Readers: Combating Climate Change with Nuclear Power and Fracking
With more than 7,500 views and 180-plus tweets, I want to thank everyone for taking the time to read the original HBS Working Knowledge piece, The Case for Combating Climate Change with Nuclear Power and Fracking, and, in particular, for sharing your thoughts with one... View Details
- 2021
- Working Paper
The Green Bonding Hypothesis: How Do Green Bonds Enhance the Credibility of Environmental Commitments?
By: Shirley Lu
This paper proposes and provides evidence on a green bonding hypothesis, where green bonds act as a commitment device that subjects firms to institutions holding them accountable to their environmental promises. I find that green-bond issuers face higher climate change... View Details
Keywords: Bonding Hypothesis; Sustainable Finance; Climate Change; Corporate Social Responsibility and Impact; Environmental Sustainability; Bonds; Corporate Accountability
Lu, Shirley. "The Green Bonding Hypothesis: How Do Green Bonds Enhance the Credibility of Environmental Commitments?" SSRN Working Paper Series, No. 3898909, December 2021.
- 23 Mar 2023
- Research & Ideas
As Climate Fears Mount, More Investors Turn to 'ESG' Funds Despite Few Rules
Investor interest in social responsibility has skyrocketed in the past three years, even as US regulations to hold companies accountable remain in flux and the environmental, social, and governance (ESG) label itself draws backlash. Investors are willing to pay a... View Details
- 06 Nov 2012
- Op-Ed
Stop Talking About the Weather and Do Something: Three Ways to Finance Sustainable Cities
private finance to invest in cities that are sustainable, competitive, and resilient. It's Not Just Global Warming, Stupid. Regardless of whether climate change leads to an increase in volatile weather, the... View Details
- 2024
- Government Testimony
Budget Committee Testimony on Riskier Business: How Climate Is Already Challenging Insurance Markets
By: Ishita Sen
Sen, Ishita. "Budget Committee Testimony on Riskier Business: How Climate Is Already Challenging Insurance Markets." Government Testimony, United States Senate, Committee on the Budget, June 2024.
- 2000
- Other Unpublished Work
Cutting Red Tape: Lessons from a Case-based Approach to Improving the Investment Climate in Mozambique
By: L. T. Wells Jr. and Timothy S. Buehrer
Wells, L. T., Jr., and Timothy S. Buehrer. "Cutting Red Tape: Lessons from a Case-based Approach to Improving the Investment Climate in Mozambique." Foreign Investment Advisory Service Occasional Paper, January 2000. (Condensed as "Reduzir a burocracia: Licoes da Mozal para o melhoramento do clima de investimentos em Mocambique," Discussion Paper No. 3, Gabinete de Estudos Ministerio do Plano e Financas Republica de Mocambique, 2000; and reprinted in condensed form as a chapter in A Economia Mocambicana Contemporanea: Ensaios, Gabinete de Estudos, edited by Cassio Rolim, Antonio S. Franco, Bruce Bolnick and Per-Ake Andersson. Mozambique: Ministerio do Plano e Financas, 2002.)
- September 2014 (Revised March 2015)
- Case
Fast Ion Battery
By: Ramana Nanda, Robert F. White and Stephanie Puzio
John Davidson, a partner at Ware Street Capital (WSC) and a board member at Fast Ion Battery, had just received a phone call from Don Lerner at Bluelock Ventures telling him that Bluelock would not participate in the $5M bridge financing for Fast Ion Battery. Lerner's... View Details
Keywords: Entrepreneurial Finance; Real Options; Term Sheets; Clean Technology; Entrepreneurship; Venture Capital
Nanda, Ramana, Robert F. White, and Stephanie Puzio. "Fast Ion Battery." Harvard Business School Case 815-025, September 2014. (Revised March 2015.)
- June 2011 (Revised February 2024)
- Background Note
Carbon Footprints: Methods and Calculations
By: Michael W. Toffel, Stephanie van Sice and Kelsey Carter
Describes methods to calculate the carbon footprint (greenhouse gas emissions) of an organization's operations and supply chain, and a product or service. Illustrates concepts with examples of calculating the carbon footprint of organizations and products. Provides... View Details
Keywords: Measurement; Climate Change; Climate Impact; Carbon Accounting; Carbon Footprint; Carbon Emissions; Sustainability; Environmental Management; Operations; Supply Chain; Pollutants; Measurement and Metrics; Environmental Sustainability
Toffel, Michael W., Stephanie van Sice, and Kelsey Carter. "Carbon Footprints: Methods and Calculations." Harvard Business School Background Note 611-075, June 2011. (Revised February 2024.)