Sustainable Investing: Innovative Plans From a New Generation

Event Context & Participants

• The Milken Institute hosted the Morgan Stanley Sustainable Investing Challenge awards in London, featuring the 10th and most competitive iteration to date.
• The winner was the team from UC Berkeley's Haas School of Business, selected from 127 global teams representing over 350 students from 70+ business schools across 20 countries.
• The session panelists included Paul Irving (Milken Institute), Dave Chen (CEO of Equilibrium Capital and clinical professor at Kellogg), and the four-person Haas winning team: Chad Reed, Leigh Madeira, Zach Knight, and Nick Wobrock.
• Dave Chen highlighted a market shift where sustainable investing is moving from "soft" NGO-focused discussions to "hard" financial instrument structuring, citing rising enrollments in impact investing finance classes at top schools like Wharton.

The Proposed Solution: Blue Forest Conservation

• Problem Identification: The team addresses the compounding effects of climate change on California, specifically severe drought (snowpack at 5% of historical average) and catastrophic wildfire risks, which threaten water supplies and result in ~$6 billion in annual economic losses.
• Core Mechanism: Proactive forest management (selective thinning) increases snowpack retention by reducing sublimation (canopy evaporation) and evapotranspiration (vegetation consumption).
• Projected Impact: Each managed acre can generate an additional 125 to 366 gallons of water per day, validated by 20 years of research from environmental NGOs and federal agencies.
• Stakeholder Alignment: The model aligns incentives among the U.S. Forest Service (budget-constrained), water utilities (high cost of alternatives), and electric utilities (carbon intensity mandates) by creating a shared-value framework.

Financial Structure & Deal Terms

• Capital Stack: The proposed vehicle utilizes a 50% debt / 50% equity split to fund an initial $67 million pilot project in the McCloudy River watershed.
• Return Assumptions: Conservative modeling projects a 5% Internal Rate of Return (IRR) for debt investors and 12–15% for equity investors.
• Revenue Model: The structure is "pay-for-success," where counterparties pay only for benefits realized after the intervention, with no upfront capital required from utilities or the Forest Service.
• Revenue Sources:
  • Water utilities pay for increased water volume (modeled at $200/acre foot, vs. $500+ for alternatives like desalination).
  • Electric utilities pay for hydroelectric generation (modeled at $35/MWh).
  • Fire suppression costs are monetized via avoided fire suppression expenses (currently ~$2 billion/year).
• Debt Characterization: The debt tranche is structured to mimic project finance with amortizing cash flows over 8 years (10-year useful life), secured by contracted cash flows from investment-grade entities rather than physical assets.
• Market Opportunity: The total addressable market is estimated at $1.6 billion, targeting only 10–20% of high-benefit forest land, with the cycle repeatable every 10 years.

Risk Mitigation & Implementation Strategy

• Measurement & Validation: Success is determined using long-standing precipitation-to-flow models already utilized by utilities, eliminating the need for complex randomized control trials required by traditional social impact bonds.
• Operational Risk: The U.S. Forest Service typically contracts thinning work with strict specifications (tree diameter, underbrush removal), reducing operational execution risk.
• Financial Risk: The team uses "low-ball" assumptions for water yield and pricing; even under these conservative scenarios, debt is fully amortized, leaving residual cash for equity.
• Implementation Timeline: The team estimates a 24-month timeline to close the first transaction, with a current fundraising target of $1.8 million to cover legal, due diligence, and operating costs.
• Entity Structure: The team plans to operate initially as a real estate development-style entity (deal-by-deal) rather than a traditional fund, to navigate public land complexities and secure the Forest Service partnership first.

Strategic Feedback & Audience Interaction

• Green Bond Potential: The team intends to structure the $1.6 billion scaling opportunity as a green bond to meet high demand from institutional investors (e.g., sovereign wealth funds, pension plans) currently constrained by a lack of suitable products.
• Private Land Applicability: The model could extend to private timberlands already undergoing management, potentially increasing returns by thinning beyond current practices to capture additional water and fire risk benefits.
• Team Sustainability: Investors noted the need for the team to address "how they survive" (salaries/operating costs) before the first transaction closes, prompting the $1.8M bridge raise discussion.
• Contractual Specificity: Advisors urged the team to focus immediately on finalizing the specific revenue contracts with utilities, as these form the critical underpinning of the project finance vehicle's creditworthiness.
• Educational Shift: Panelists noted that top business schools are integrating impact investing into core finance curricula, signaling a move toward professionalizing the sector and treating social problems as investable asset classes.