Microsoft ’s Climate Strategy and Its Carbon Removal Deal with Chestnut Carbon
Microsoft’s Brian Marrs, Senior Director of Energy and Carbon Removal, and Chestnut Carbon CFO Greg Adams share their perspectives as a major buyer and developer of carbon removal credits. Their 2025 deal is one of the largest carbon removal deals in the U.S. and seeks to deliver 7 million tons of nature-based carbon credits over 25 years.
Brian explains Microsoft’s carbon negative strategy and targets, and the role of carbon removal credits. He also describes how Microsoft is using its Climate Innovation Fund and procurement efforts to “build missing markets” in decarbonized energy, materials, and transportation.
Greg describes how Chestnut Carbon combines afforestation, land ownership, and a private equity-backed project development model to deliver high-integrity carbon credits. He explains how their work is similar to long-term energy infrastructure contracts like power purchase agreements (PPAs), and how they are using proprietary tools to scale.
Brian and Greg also share their advice for those looking to learn more and work in the field.
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Reducing Household Emissions with Dishwashing Innovation: A Conversation with P&G ’ s Ashley Fill
Ashley Fill, Global Director of Sustainability at P&G Home Care joins Climate Rising to discuss how consumer behavior and innovative technologies can reduce household carbon and water footprints. Ashley shares how life cycle assessments reveal that 87% of the emissions in P&G’s Home Care portfolio come from product use, particularly dishwashing. She describes how their products are engineered to deliver superior performance while reducing water and energy. Ashley also discusses P&G’s partnerships with appliance manufacturers, NGOs, and coalitions like the 50L Home Coalition to encourage sustainable home practices. She reflects on regional water use trends, behavior change challenges, and how P&G ensures credible sustainability claims. Ashley also shares career advice for those entering sustainability roles in consumer goods
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AI for Climate Resilient Food Systems with ClimateAi’s Himanshu Gupta
ClimateAi co-founder and CEO Himanshu Gupta explains how his
company uses machine learning to forecast extreme weather and help businesses adapt to climate volatility. Himanshu shares his journey from rural India to co-founding ClimateAi while he was an MBA student. He describes how ClimateAi's "biophysics-driven AI" combines limited weather and crop yield data to inform procurement, logistics, and planting decisions for a quarter of the top 200 food and beverage companies. He also shares examples of government partnerships focused on food security and national supply chain resilience and offers insight on the future of adaptation technologies and enterprise AI. Finally, Himanshu gives advice to those looking to work at the intersection of AI and resilience in the food and agriculture industry.
This episode is a part of our series on Climate Resilience, which also features Sarah Russell, Managing Director at Google X; Jacqueline Novogratz, CEO of Acumen; and Alex Berkowitz, CEO of Coastal Protection Services. Visit climaterising.org to explore the entire series!
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Designing for Resilience: with Alex Berkowitz of Coastal Protection Services
This episode is another in our series on Climate Resilience featuring
Alex Berkowitz, Founder and CEO of Coastal Protection Solutions (CPS), a
startup developing nearshore infrastructure that reduces wave energy and enhances climate resilience. Alex shares how her personal experience with Hurricane Sandy in her hometown of Rockaway Beach led to the creation of the Wave Breaker—an innovative floating barrier designed to protect coastal communities from storm surge and erosion.
She explains how CPS integrates landscape design, marine engineering, and microgrid energy into its solution, and how it differs from traditional seawalls or breakwaters. Alex also discusses navigating public policy, permitting, and insurance incentives, and finally, Alex shares her career advice for those who are interested in climate resilience.
Host and Guest
Host: Mike Toffel, Professor, Harvard Business School (LinkedIn)
Guest: Alex Berkowitz, Founder
& CEO, Coastal Protection Solutions (LinkedIn)
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Investing in Climate Resilience and Poverty Alleviation: Acumen Founder & CEO Jacqueline Novogratz
In this Climate Rising episode in our series on climate resilience, Jacqueline Novogratz, Founder and CEO of Acumen shares how impact investing is agriculture is helping smallholder farmers build climate resilience. Jacqueline shares insights from two decades of investing in poverty alleviation that includes climate resilience and adaptation social enterprises engaging in agriculture and off-grid solar.
She explains how Acumen uses blended capital, including philanthropic first-loss investments and commercial impact funding, to scale business models in underdeveloped markets where traditional investors hesitate. Jacqueline also shares examples of companies solving food insecurity and extreme climate risks for smallholder farmers and discusses how a “post-aid” world demands new tools, structures, and partnerships for impact investing.
Climate Rising is about the impact of climate change on business. It brings business and policy leaders and Harvard Business School faculty together to share insights about what businesses are doing, can do, and should do to confront climate change. It explores the many challenges and opportunities that climate change raises for managers, such as decisions about where they choose to locate, the technologies they develop and use, their strategies with respect to products, marketing, customer engagement, and policy—in other words, the full spectrum of business concerns.
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