Seed Climate Tech Funders

AirMiners is a leading platform advancing the carbon dioxide removal (CDR) industry through community, education, and early-stage venture support. Founded in 2017, the organization brings together scientists, founders, investors, and operators to accelerate the development and deployment of carbon removal solutions. Through its Launchpad accelerator and Kiloton Fund, AirMiners supports early-stage startups building technologies to remove CO2 from the atmosphere. The platform also operates one of the largest communities in the CDR space, helping talent, capital, and ideas converge to scale the industry.

Astanor Ventures is an impact investor that transforms the agrifood system by fostering innovation from "soil and sea to gut." They operate two complementary investment strategies - Astanor Venture for early-stage companies and Astanor Growth for scaling businesses across the entire agrifood value chain. Their mission centers on building a more resilient planet by investing at the intersection of planetary and human health, using food and agricultural systems as primary levers for change. They support ambitious entrepreneurs developing globally scalable solutions capable of driving systemic change, reconnecting planetary and human health through better nutrition and sustainable farming practices. As a global leader in impact investing, Astanor plays a crucial role in financing and scaling systemic disruption needed to reach ambitious targets set by the Paris Agreement and UN SDGs. With offices across Europe and the US, they demonstrate that there is no trade-off between return and impact - the more successful their portfolio businesses become, the greater the positive impact on both people and the planet.

Azolla Ventures is a climate-focused venture capital firm that invests in breakthrough technologies designed to avert catastrophic climate change. They partner with visionary founders at the earliest stages of venture development, where both risk and reward are at their highest levels. The fund operates with an impact-first approach, prioritizing investments that hold potential for large-scale greenhouse gas reductions while promoting a more just climate for all. Founded by Prime Coalition and enabled by catalytic capital, Azolla Ventures seeks out bold entrepreneurs from all corners and embraces opportunities that fall outside of traditional venture capital norms. Azolla Ventures plays a crucial role in the climate investment ecosystem by focusing specifically on ventures with the potential for gigaton-scale CO2 equivalent reductions. Their mission-aligned approach and willingness to take on high-risk, high-reward opportunities at the earliest stages helps bridge the gap between innovative climate solutions and the capital needed to scale them globally.

Better Ventures is an early-stage impact venture capital firm investing in founders building solutions to some of the world’s most pressing challenges. The firm backs companies across climate, health, circular economy, PropTech, and sustainable consumer sectors, with a focus on scalable technologies that deliver measurable impact. Operating with an “impact + return” philosophy, Better Ventures supports entrepreneurs not just with capital, but with access to a curated network of operators, angels, and advisors. The firm positions founders as the drivers of change, helping them scale companies that generate both financial returns and meaningful environmental and social outcomes.

Beyond Impact is an impact investment firm focused on accelerating the transition to a more sustainable, animal-free economy. Founded in 2017, the firm backs companies developing alternatives to animal-based products across food, materials, pharmaceuticals, and consumer goods. The firm’s mission centers on building a “kinder, cleaner, healthier world” by investing in scalable businesses that reduce environmental damage, eliminate animal suffering, and improve human health. Its portfolio targets high-growth sectors such as plant-based foods, alternative proteins, and next-generation biomaterials.

Breakthrough Energy is a climate-focused investment and innovation platform founded by Bill Gates to accelerate the transition to a net-zero economy. The organization supports cutting-edge climate technologies, policy initiatives, research, and investment vehicles designed to reduce greenhouse gas emissions at global scale. Breakthrough Energy works across venture investing, project financing, policy advocacy, and ecosystem development to help scale breakthrough solutions in energy, manufacturing, transportation, agriculture, and industrial decarbonization.

Carbon Equity is the world's leading climate fund investor that specializes in unlocking climate private equity opportunities for individual investors. They focus on investing in pioneering energy and climate tech companies that are handpicked by top investment teams around the world, offering access to carefully curated portfolio funds. Their mission centers on helping investors use their capital to fight climate change and shape the future net zero economy. Carbon Equity operates by creating portfolio funds that include multiple funds managed by top climate investors globally, making it easier for individuals to access high-quality climate investments that were previously available only to institutional investors. Carbon Equity plays a crucial role in democratizing climate investing by bridging the gap between individual investors and impactful climate solutions. They matter because they enable more people to participate in funding the transition to a net zero economy while offering strong risk-adjusted returns, effectively scaling climate finance beyond traditional institutional boundaries.

Clean Energy Ventures is a venture capital firm investing in early-stage climate technology companies developing disruptive energy innovations and decarbonization solutions. The firm focuses on backing founders building scalable technologies capable of achieving significant greenhouse gas emissions reductions over the coming decades. With deep expertise in climate investing and commercialization, Clean Energy Ventures works closely with startups advancing breakthroughs across energy, transportation, industrial systems, and climate infrastructure.

Climate Collective is a leading innovation network that specializes in putting digital technologies to work for climate and nature at scale. They focus on connecting AI and digital tools with environmental impact, running innovation programs and building AI fluency across climate and nature nonprofits. The organization operates by connecting innovators, nonprofits, and global leaders to turn technology into lasting climate and nature impact. They accomplish this through running innovation programs, building AI fluency across climate and nature organizations, and convening sustainability leaders and technologists to foster collaboration and knowledge sharing. Climate Collective plays a crucial role in the ecosystem by bridging the gap between technology innovation and environmental impact. Their flagship AI Explorers Summit brings together 100 leaders annually and is co-hosted by major organizations like Conservation International, UNDP, and TechChange, demonstrating their significant influence in shaping how AI is responsibly deployed for climate and nature solutions.

Energy Impact Partners is a global investment platform that brings together entrepreneurs, institutional investors, and leading energy, industrial, and infrastructure companies to accelerate the transition toward a cleaner, more resilient economy. The firm invests in innovative companies developing technologies across energy, climate, electrification, infrastructure, cybersecurity, mobility, and industrial transformation. Energy Impact Partners leverages its extensive network of strategic corporate partners to help portfolio companies scale faster, secure customers, validate products, and drive real-world deployment of transformative technologies.

Future Planet Capital is an impact-led venture capital firm that backs innovative companies emerging from the world's top universities and research ecosystems. They focus on investing in high-growth companies that are solving global challenges profitably, with their investments mapped against the UN Sustainable Development Goals including climate change, education, health, security, and sustainable growth. The firm operates with a mission to connect the biggest investors with the brightest minds, using a data-driven approach powered by a unique algorithm that tracks over 500,000 inputs to systematically score and benchmark the world's most innovative companies. Founded in the UK with a global outlook and reach, they have developed a practical approach to assess a company's impact potential and integrate this into their decision-making across each stage of the investment life cycle. With over $460M in assets under management and 160 portfolio companies across various geographies and stages, Future Planet Capital has established significant impact in the venture capital ecosystem. Over the past 25 years, they have been the founding investor in 8 unicorns and profitably exited over 60 businesses, demonstrating their ability to identify and nurture companies that can deliver both financial returns and positive societal impact.

The Grantham Foundation for the Protection of the Environment operates through both philanthropic grants and strategic investments to address climate change and environmental degradation. They focus on protecting and improving the health of the global environment through a dual approach of funding environmental advocacy, applied research into climate solutions, and investing in entrepreneurs building green industries and technologies. Their mission is to protect and conserve the natural environment, with communication and collaboration as top priorities to build widespread public support for preventing catastrophic climate change. The Foundation operates as a 501(c)(3) private foundation with five Grantham family trustees, while also working through The Jeremy and Hannelore Grantham Environmental Trust, a public charity with independent trustees from major environmental organizations including Rare, The Nature Conservancy, World Wildlife Fund US, and Rocky Mountain Institute. Established by Jeremy and Hannelore Grantham, the Foundation plays a significant role in the environmental ecosystem by addressing what they identify as humanity's greatest challenge - climate change and the race against time to avoid existential threats. Their impact matters because they recognize that environmental philanthropic resources are immense compared to available funding, making strategic alliances and targeted investments in both advocacy and technological innovation crucial for preventing catastrophic environmental change.

ReGen Ventures is an impact-focused venture capital firm that invests in foundational regenerative technologies designed to power a future of abundance. They focus on four core investment areas: clean energy, planetary intelligence, programmable matter, and adaptive robotics, partnering with founders who are building transformative technologies from the atomic to planetary scale. The firm operates with a mission to reimagine the world by supporting technologies that make regeneration inevitable, enabling infinite growth and prosperity on a finite planet. They take a hands-on approach with founders, providing comprehensive support that ranges from business modeling to personal wellness, emphasizing long-term sustainable returns over short-term wins. ReGen Ventures positions itself as an innovator in the investment space, paving a new path for what investments should be by focusing on root causes rather than symptoms of environmental challenges. They are building what they call a "ReGenerative Future" where climate change is reframed as an opportunity for transformation, backing founders with unreasonable ambition who alter understanding of what's possible in addressing planetary challenges.

The Rockefeller Foundation is one of the world’s largest and most influential philanthropic organizations, focused on advancing human well-being through large-scale investments in energy access, food systems, health, economic opportunity, climate resilience, and emerging technologies. Founded in 1913, the foundation partners with governments, nonprofits, corporations, and local communities to tackle systemic global challenges through innovative finance, data, and technology-driven solutions. The foundation is known for making ambitious “big bets” aimed at improving the lives of hundreds of millions of people worldwide, particularly in underserved and economically vulnerable communities.

Sea Forward Ocean Health Fund is a collaborative, multi-donor impact fund dedicated to accelerating solutions that support a healthy and thriving ocean. Administered through ImpactAssets, the fund combines impact investing, grantmaking, education, and community building to support innovative approaches to ocean conservation and restoration. Sea Forward focuses on sustainable aquaculture, biodiversity protection, climate resilience, circular economy solutions, regenerative nature-based approaches, and science-based monitoring technologies. Through both investments and grants, the fund supports entrepreneurs, nonprofits, researchers, and ecosystem builders working to address some of the most pressing challenges facing marine environments and coastal communities. Beyond capital deployment, Sea Forward serves as an ocean impact learning community, bringing together philanthropists, impact investors, scientists, conservation leaders, and innovators to foster collaboration, share knowledge, and accelerate positive change for the ocean. The fund is led by marine biologist and ocean conservation advocate Laura Francis, whose decades of experience in marine education and conservation inform the fund’s strategic approach.

SOSV is a global venture capital firm and accelerator founded in 1995, operating one of the most active deep tech and life sciences investment programs in the world. The firm runs multiple accelerator programs, including HAX for hardware and robotics, IndieBio for life sciences and biotech, and Orbit for climate and sustainability — providing intensive company-building support alongside early-stage capital. With over $1.5 billion in AUM and a portfolio exceeding 1,000 companies across more than 70 countries, SOSV occupies a distinctive position in the venture landscape: a programmatic investor that takes companies from idea stage through to growth and beyond. The firm's accelerator model means it is often the first institutional check into a company, with follow-on capability through later rounds. SOSV has a strong impact orientation across its portfolio, with climate, food systems, health, and sustainability representing a significant share of its investments. Its programs in particular have become known as launchpads for companies working on hard scientific and engineering problems that require more than capital to succeed.

Superorganism is the first venture capital firm dedicated exclusively to biodiversity. The firm invests in pre-seed and seed-stage startups developing technologies and business models that protect, restore, and regenerate nature while creating scalable commercial outcomes. Based in San Francisco and New York, Superorganism backs founders tackling biodiversity loss, climate resilience, conservation technology, regenerative agriculture, ocean health, circular economy solutions, and nature-positive innovation. Its investment strategy focuses on three core themes: addressing drivers of species extinction, advancing climate and biodiversity solutions simultaneously, and enabling breakthrough technologies that improve conservation outcomes. Through its mentor network of leading entrepreneurs, scientists, conservationists, and investors, Superorganism helps founders build companies that create an abundant future for both people and nature.