Build the Hammer Based on the Nail: Takeaways from the 2026 Yale Innovation Summit Reverse Climate Pitch

When venture capitalists pitch the problem instead of the solution

By Jenny Liu, YC’26

At most startup competitions, founders step onto the stage to convince investors that they have the next breakthrough technology. However, the script was flipped during an event in the Climate Track at this year’s Yale Innovation Summit. 

In the session Climate Reverse Pitch: VCs Pitch the Problem, investors took center stage and did something different: rather than evaluating startups, they pitched the climate challenges they believe are most timely–and the kinds of solutions they are actively looking to pursue. 

Featuring Adrianna Alterman (MBA ’19), Principal at Salesforce Ventures, Noah Lerner (MEM/MBA ’22), Vice President at Spring Lane Capital, and Eric Rubenstein (BA ‘04), Founding Managing Partner of New Climate Ventures, the session offered an exciting opportunity inside how climate investors build investment theses and identify opportunities in a rapidly changing market. 

1. The energy transition is an infrastructure challenge in a new industrial era. 

One of the clearest messages was that many climate bottlenecks today are infrastructure problems. 

Throughout history, industrial revolutions have been defined by technological breakthroughs and the systems built to support them. Historians and scholars generally identify four major industrial revolutions, the most recent of which we are living through right now. The first was driven by steam power and mechanized production in the 18th century and led to the development of machine tools and the factory system. The second industrial revolution began in the 19th century though the discovery of electricity and assembly line production using new technologies like railroad networks, gas and water supply, and sewage systems [1]. The third, also known as the “Automation Revolution”, is characterized by computers and automation using memory-programmable controls and computers in the decades following World War II [2]. Last, but certainly not least, we have the fourth and ongoing digital revolution. This is marked by the integration of information and communication technologies across nearly every sector of society [3]. 

As Rubenstein frames it, the energy transition is unfolding as a part of broader industrial transformation driven by electrification, digitalization, and artificial intelligence. While technological innovation continues to accelerate–and many of the solutions needed to decarbonize already exist–the physical systems required to deploy them at scale are struggling to keep pace. Data centers, for example, are the 5th largest sector of demand growth, becoming major drivers of electricity demand, yet many cannot come online as quickly as desired because of the transmission constraints and grid limitations. 

The implication for climate innovation is clear: it needs also to emphasize modernizing the systems that enable technologies to scale. Investors are looking closely at opportunities in grid equipment, transmission hardware, advanced cooling systems, energy storage, and next-generation power that can support growing demand from AI, transportation, and industry. Areas attracting particular attention include critical minerals and building materials, electricity generation and storage, operational technologies such as high-efficiency HVAC systems, and the conductors, transformers, and other hardware needed to expand and strengthen the grid. 

2. Climate has a “missing middle” financing problem. 

While climate innovation often focuses on breakthrough technologies, Lerner highlighted a less visible but arguably more important challenge: financing. 

Many climate technologies can access early-stage venture capital, grants, or research funding. Mature technologies can attract infrastructure investors and project finance. The problem lies in the valley between the two–the point at which a technology has proven that it works but has not yet become bankable at commercial scale. 

This “missing middle” remains one of the largest barriers to deployment. According to Lerner, many promising climate solutions fail not because the technology is flawed, but because they cannot secure the right kind of capital during the transition from demonstration to commercialization. Spring Lane capital is a firm that aims to address this. 

Not only does innovation need to modernize systems, it needs to identify the right type of financing for the “missing middle” in order to increase deployment and market adoption. 

3. Space is beginning to be viewed as climate infrastructure. 

Speaking of less visible challenges on earth, Alterman argued that the space economy is increasingly becoming part of the climate technology conversation. This is of particular interest to a place like Salesforce Ventures, a financial VC firm that invests only in enterprise technology. 

One of the most immediate applications is climate intelligence. Satellites are increasingly serving as a global monitoring network, providing continuous, real-time observations of the Earth. These capabilities support wildfire detection, methane leak identification, greenhouse gas monitoring, and carbon market verification. Companies such as Muon Space are helping build this data layer. 

Beyond observation, entrepreneurs are exploring entirely new forms of energy and computing infrastructure in orbit. Alterman highlighted space-based solar power systems, for example, that seek to collect solar energy continuously and beam it back to Earth. This would theoretically solve many of the intermittency challenges associated with land-based renewables. Meanwhile, a new generation of companies like Cowboy Space are investigating orbital data centers powered by near-constant solar energy, potentially reducing dependence on constrained “terrestrial grids,” land availability, and water resources. 

Underlying these opportunities is a broader shift in economics. Historically, building infrastructure on Earth was relatively inexpensive, while launching assets into space was prohibitively costly. But it seems that relationships may change. Rapid declines in launch costs, combined with advances in satellite technology and growing commercial demand are making space-based infrastructure increasingly viable. The commercial space market map spans many different sectors including: defense/security, manufacturing, earth observation, orbital compute, energy, on-orbit serving, and ground segment software. 

Salesforce Ventures highlighted three categories of companies they believe are most likely to generate durable venture-backed outcomes. The first are vertically integrated firms like Varda and Hadrian that control large portions of the value chain, from design and manufacturing to operations. The second are companies built around proprietary technical breakthroughs that create strong intellectual property advantages such as Starcloud. The third are businesses like Interlude and Astranis where the value generated in orbit significantly exceeds the cost of launch, allowing them to transform a traditionally expensive activity into a high-margin enterprise. 

According to Alterman, three structural forces are converging to drive this shift: a dramatic decline in the cost of accessing space, growing demand for data and computational capacity driven by artificial intelligence, and the continued commercialization of technologies once reserved for governments. Together, these trends are reshaping the economics of space and expanding its role in the climate and energy transition. 

Looking ahead 

Another recurring theme throughout the session was a shift from evaluating standalone technologies to identifying opportunities across entire systems and value chains. Whether discussing autonomous vehicle infrastructure, power systems, climate finance, or the emerging space economy, the panelists emphasized that value increasingly comes not from isolated products but from the ecosystems that enable them to succeed. 

By putting investors on stage, the Reverse Climate Pitch offered a valuable glimpse into where climate capital is heading. In many ways, this panel highlights a saying: "You want to build the hammer based on the nail, and vice versa." The phrase captures a challenge facing climate innovation today: the next breakthrough may not come from inventing a new tool, but from understanding the problem well enough to build the right one.

References

1. Donovan John J. (1997) The Second Industrial Revolution: Business Strategy and Internet Technology Facsimile. Book News, Inc., Portland, Oregon, 1997. 

2. Lucas, R. Jr. (2003) The Industrial Revolution Past and Future. Report Federal Reserve, University of Chicago, 2013. 

3. Schwab, K. (2016). The Fourth Industrial Revolution. New York: Crown Publishing Group (published 2017).