Accelerator Investors in Climate Tech

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.

Antler is a global early-stage venture firm and company builder that invests at day zero, often before founders have a cofounder, product, or fully formed idea. Founded in Singapore in 2017 by Magnus Grimeland and Fridtjof Berge, Antler runs founder residencies across dozens of cities, matching teams, validating ideas, and writing the first check so ambitious operators can start companies that might not otherwise exist.

Creative Destruction Lab (CDL) is a nonprofit organization that delivers an objectives-based program for massively scalable, seed-stage, science- and technology-based companies. Founded at the Rotman School of Management at the University of Toronto in 2012, CDL has grown to operate 23 specialized streams and 17 locations globally across Canada, the United States, Europe, and Australia. CDL Climate is one of the program's specialized streams, focused on supporting early-stage climate technology ventures. The program connects ambitious founders with experienced mentors who have pushed the boundaries of what's possible in their own businesses. Through an objectives-based mentorship model, CDL helps deep tech startups crowdsource feedback on their business strategies and build massively scalable products and services aimed at creating a sustainable world.

EIT Climate-KIC is Europe's leading, independent climate innovation agency and community, working to create climate-resilient societies and fight the climate breakdown. Initiated by the European Institute of Innovation and Technology (EIT), Climate-KIC bridges the gap between climate commitments and current reality through innovation and systemic change. The organization works hand-in-hand with countries, regions, cities, and businesses across the globe to mobilize systems change and accelerate climate action. Climate-KIC orchestrates place-based transformations that ground climate action at the local level, prioritizing solutions developed and implemented in local contexts to build momentum and inspire action. Through partnerships, they generate, implement, and integrate climate solutions while facilitating learning to fuel faster and more ambitious climate action. Their work spans climate entrepreneurship, learning initiatives, and European missions including support for climate-neutral cities by 2030.

Finance Earth is a UK-based impact investment firm and FCA-regulated fund manager focused on unlocking private capital for conservation, climate solutions, and community development. The organization designs and manages innovative environmental finance vehicles that help scale projects delivering measurable benefits for nature, climate, and people. Founded on the belief that philanthropy and public funding alone cannot address global environmental challenges, Finance Earth develops blended finance structures that attract institutional, philanthropic, and private investors into high-impact environmental projects. The organization works across fund management, advisory services, and accelerator programs to create investment opportunities that support biodiversity restoration, sustainable land use, natural capital, climate resilience, and community prosperity. Through its specialist expertise in environmental markets and impact investing, Finance Earth helps governments, nonprofits, businesses, and investors build financing models that generate both environmental outcomes and sustainable financial returns.

Free Electrons is a global open innovation program connecting energy startups with world-leading utilities to co-create the future of energy. For the past decade, the program has facilitated collaboration between startups, utilities, and ecosystem partners to pilot breakthrough solutions, scale technologies through commercial deployment, and accelerate the energy transition. Through a series of modules held globally (physically and digitally), startups gain direct access to utilities, local accelerators, and experts to refine and test their solutions while exploring growth opportunities. The program has delivered significant impact across multiple markets, with millions invested in pilots, deployments, and direct investments, generating substantial value for participants. Free Electrons offers startups the opportunity to validate technologies with leading utility partners, co-create viable pilot projects, secure deals and investment (over $23M USD to date), and access a global network of mentors, technical experts, and innovation specialists.

Greentown Labs is the world's largest climatetech and energy incubator, operating as a 501(c)(3) nonprofit organization that supports entrepreneurs developing climate solutions. They provide incubation services, membership programs, and resources to startups working across various sectors including agriculture, buildings, electricity, manufacturing, transportation, and resilience adaptation. Their mission centers on catalyzing climate solutions at speed and scale by bringing together entrepreneurs with innovation, corporate leaders with scale, investors with capital, and philanthropists with support. They operate as a community-driven organization with locations in Boston and Houston, fostering collaboration between startups, corporations, and other stakeholders in the climatetech ecosystem. Greentown Labs serves as a critical hub in the climatetech ecosystem, connecting entrepreneurs with the resources, mentorship, and partnerships needed to transform society through energy innovation. Their comprehensive approach to supporting climate entrepreneurs positions them as a key player in addressing the climate challenge through technological innovation and community building.

Halcyon is a leading impact accelerator that has been empowering early-stage social entrepreneurs since 2014. Founded by Dr. Sachiko Kuno and Kate Goodall, the organization takes its name from the historic Halcyon House in Georgetown, Washington, DC, reflecting its founding mission to provide a haven where bold founders tackling the world's most pressing problems can find support, optimism, and belief. Since its inception, Halcyon has supported over 650 entrepreneurs from more than 50 countries, helping them scale their sustainable, world-changing solutions through a bold, founder-first accelerator model. Halcyon's programs provide early-stage social entrepreneurs with critical resources including space, community, and access to networks. Their comprehensive support includes tailored business training for product-market fit, capital strategy, and leadership development, along with additional resources to help founders scale their ventures. Through Halcyon Fund I & II, the HVP Angels, and partnerships with their ecosystem, they educate and invest in impact-driven founders. The organization's far-reaching impact is made possible through the generous support of donors, supporters, partners, and a passionate global team dedicated to accelerating the impact-driven future of business.

Imagine H2O is a global nonprofit accelerator focused exclusively on advancing water innovation. The organization supports water technology startups through mentorship, funding, and market access to address critical water challenges including climate change, water scarcity, health, and resource efficiency. With over a decade of impact, Imagine H2O has supported 270 startups from 30 countries, helping them raise over $1.3 billion in funding while achieving an 80% startup survival rate. The organization operates flagship programs including its core Accelerator, Imagine H2O Asia, and the Water Innovation Pilot Fund. Through catalytic capital and technical assistance, Imagine H2O has designed and funded projects around the world, partnering with major philanthropies like The Coca-Cola Foundation. Their portfolio companies now provide water solutions to over 1.1 billion people globally, tackling issues from droughts and floods to safe water access for vulnerable populations.

IndieBio, launched by SOSV in San Francisco in 2015, was Silicon Valley's first biotech program to offer on-site bio-labs and pre-seed investment to scientists launching startups. Between 2015 and 2025, IndieBio's 310 graduates raised $3.6 billion and established SOSV's reputation as a groundbreaking health and climate investor in fields ranging from food, agriculture, and industrial decarbonization to therapeutics and diagnostics. At the start of 2026, SOSV rebranded IndieBio to SOSV NY and SOSV SF to reflect the expanded scope beyond biotechnology to all of deep tech, including chemistry, physics, and AI. The teams, locations, and facilities remain the same, continuing to serve founders with deeply resourced labs, offices, and event spaces. SOSV is the world's most active deep tech, pre-seed venture capital firm, with 800 active portfolio companies that had raised $7.3 billion and were valued at $18.2 billion as of early 2026.

MassChallenge is a global accelerator network that backs entrepreneurs with the determination to solve the world's toughest challenges. Born in Massachusetts and built for the world, MassChallenge operates as a founder-focused organization that turns bold ideas into meaningful outcomes. The organization supports startups across multiple critical challenge areas without taking equity. MassChallenge focuses on accelerating solutions in five key challenge areas: Healthcare & Life Sciences, Security & Resiliency, Sustainable Food Systems, Climate, and Global Financial Systems. Through their accelerator programs, they connect founders with technical experts, industry leaders, and corporate partners who are committed to driving innovation and impact in these critical sectors.

MIT Solve is an initiative of MIT that provides social impact and entrepreneurship services, connecting startups with funding and resources to address global challenges. The organization launches open calls for exceptional and diverse solutions to pressing global problems from innovators anywhere in the world, focusing on areas including climate, economic prosperity, health, learning, indigenous communities, youth innovation, and innovative financing. MIT Solve operates on the belief that building a better future requires new voices and ideas from diverse sources. They run challenges to identify groundbreaking solutions, then provide selected innovators with the backing of MIT and their community of supporters to scale their impact and drive lasting change. The organization has established itself as a platform that bridges the gap between innovative solutions and the resources needed to implement them at scale. Over its ten-year history, MIT Solve has become a significant force in the global innovation ecosystem, having run over 100 challenges and received more than 26,800 applications from 185 countries. Their community of innovators and solutions have reached over 370 million lives worldwide, demonstrating tangible impact from refugee education in Lebanon to agricultural improvements in Ethiopia. The organization has mobilized over $80 million and forged over 1,000 partnerships, establishing itself as a crucial connector between social entrepreneurs and the resources they need to create meaningful change.

Moonshot Platform is a 501(c)(3) nonprofit leadership accelerator and global community supporting young changemakers closest to the world’s most urgent challenges. Through its two-year Moonshot Journey, the organization provides grants, mentorship, scholarships, capacity building, peer community, and access to global networks that help emerging leaders scale social and environmental impact. Founded by Yemi A.D., Moonshot Platform supports young innovators building projects, nonprofits, startups, and community initiatives across climate, education, health, economic opportunity, technology, and social justice. Its programs include the Moonshot Awards, Moonshot Camp, Moonshot Summit, Impact Labs, and mentor pathways.

New Energy Nexus is an international non-profit organization that supports clean energy entrepreneurs through funds, accelerators, and networks across the globe. With over two decades of experience, the organization has supported 1,700+ businesses and startups, engaged 11,500+ entrepreneurs, and mobilized $5.44 billion in funding. Operating in 48+ countries across multiple continents including the US, China, Indonesia, Philippines, Thailand, Uganda, Vietnam, Australia, Nigeria, Pakistan, UAE, and others, New Energy Nexus has distributed $107 million in grants, investments, loans, and vouchers. The organization takes a comprehensive approach to supporting clean energy ventures through four key pillars: Launch (bootcamps, hackathons, educational courses), Accelerate (accelerators, incubators, commercial partnerships), Fund (impact funds, grant programs, voucher programs, loan programs), and Connect (activities linking entrepreneurs with corporations, education institutions, civil society, and financial organizations). New Energy Nexus backs diverse entrepreneurs with the capital, skills, and global networks needed to build and scale climate solutions across sectors including renewable energy, energy efficiency, transportation, energy access, agriculture, and industrial applications.

NorthX Climate Tech is an independent Canadian nonprofit investor and commercialization catalyst for climate hard tech. Founded in October 2021 as the BC Centre for Innovation and Clean Energy (CICE), it launched with $105 million in commitments from the Government of British Columbia, Shell Canada, and the Government of Canada through Natural Resources Canada’s Energy Innovation Program. NorthX is based at Suite 1210, 1066 West Hastings Street in Vancouver and is led by President and CEO Sarah Goodman. NorthX backs physical technologies that can reduce or remove greenhouse gas emissions while producing economic benefits for British Columbia and Canada. Its focus includes energy storage and grid capacity, industrial decarbonization, clean fuels, wildfire prevention and response, carbon management, climate adaptation, and other hardware- and materials-led solutions. The organization targets the commercialization gap between technical promise and market deployment, especially projects at technology readiness levels 4–9. Funding is non-dilutive and tailored by opportunity: NorthX says investments may be repayable or non-repayable, with approved Open Intake projects receiving milestone-based reimbursement funding. Support extends beyond capital to technical validation, lifecycle assessment, investor and industry introductions, market readiness, and follow-on funding. NorthX reports that, by May 2026, it had backed more than 74 projects with over $57 million and helped catalyze more than $600 million in follow-on investment. Those figures are reported by NorthX and are not presented as independently audited outcomes. The Women in Climate Tech initiative adds a gender-lens pathway for capital-intensive climate ventures. In September 2026, NorthX reported that more than $36 million had been committed across 45 projects at companies with women in leadership—over 58% of its total capital commitments—and that those investments had unlocked more than $430 million in additional capital.

Prosper Global Ventures is the early-stage impact investing and venture-building platform of Prosper Global, the global development organization formerly known as Mercy Corps. The platform was founded in 2015 as Mercy Corps Ventures and now operates as a family of funds backing founders whose technologies help people and markets withstand climate and economic disruption. Its Resilient Future Thesis is organized around three connected areas: adaptive agriculture and food systems, inclusive climate fintech, and climate-smart technologies. The team invests primarily across Sub-Saharan Africa and Latin America, prioritizing founders who understand the communities they serve and businesses that can scale across a region or globally. Earlier Fund I activity also included Southeast Asia. Prosper Global’s current Ventures page reports 61 early-stage companies supported, $753 million in follow-on capital catalyzed, and 46.3 million customers reached across 90 countries. Its 2025 impact report says 83% of portfolio companies had raised follow-on capital and 46% had at least one woman co-founder. These are Prosper Global Ventures’ reported portfolio figures, not independent impact measurements. The platform combines equity investment with pilots, technical assistance, impact measurement, partnerships, and post-investment support. Representative investments made under the Mercy Corps Ventures name include Pula, which provides agricultural insurance and advisory products for smallholder farmers; Floodbase, which develops flood-risk data and analysis; Wasoko, a last-mile commerce and financing platform for small retailers; AgriAku, an agricultural input marketplace; Ejara, an inclusive savings and investment platform; and Verqor, an agri-fintech platform serving farmers in Mexico. Prosper Global Ventures is embedded within Prosper Global’s humanitarian and development network, giving portfolio companies potential pathways to test products with communities affected by climate volatility, financial exclusion, fragile food systems, and infrastructure gaps. The venture platform is associated with Scott Onder, its co-founder and senior investment leader, while Tjada D’Oyen McKenna leads the parent organization as CEO.

Third Derivative is a global climate tech ecosystem founded by RMI and New Energy Nexus in December 2020. The organization builds an inclusive, collaborative platform that rapidly finds, funds, and scales climate tech innovation while transforming markets. Through a vast network of deep experts, corporate partners, and investors, Third Derivative accelerates the commercialization path for climate tech startups tackling emissions challenges across all sectors. The organization launched with 46 companies, the largest cohort of climate tech companies in the world at the time. Third Derivative bridges finance and resource gaps through its flexible, highly curated accelerator programs that enable startups to focus on their unique needs and opportunities, helping them go to market faster with breakthrough innovations.