Climate Tech Startups

WeaveGrid provides software and grid management solutions that help utilities integrate electric vehicle charging and distributed energy resources without expanding infrastructure. The company serves utilities managing electrification at scale in the energy sector.

8 investors

Wyvern develops high-resolution hyperspectral imaging satellites and delivers satellite-based earth observation data for model-based predictions. The company operates a satellite constellation in the space technology and remote sensing sector.

8 investors

ZymoChem develops bio-based materials using proprietary Carbon Conserving (C2) microbes that convert renewable feedstocks into high-value materials with increased yields. Its biodegradable materials target industries including personal hygiene, fashion and apparel, and coatings, aiming to reduce reliance on fossil-based sources and microplastics.

8 investors

Aether Fuels develops technology to convert syngas and carbon feedstocks into sustainable fuels, using its Aether Aurora solution built on technology licensed from GTI Energy. The company targets the energy transition and net-zero market through gasification-to-liquids and fuel production projects.

7 investors

Develops alternative textile materials to replace polyester and reduce the fashion industry's plastic consumption and carbon emissions.

7 investors

Apollo Atomics develops compact nuclear power systems designed for rapid deployment. The company builds power-dense reactors intended for commercial electricity generation.

7 investors

Atomic Alchemy developed technology and facilities for producing radioisotopes for medical, industrial, and research applications, planning dedicated isotope-production reactors in Idaho. Acquired by Oklo in 2024.

7 investors

Ayrton Energy develops a hydrogen storage and transport solution based on a proprietary liquid organic hydrogen carrier (LOHC) and electrochemistry, storing hydrogen as a liquid at ambient conditions so it can be moved using existing fuel infrastructure. Its e-LOHC technology serves hydrogen producers, transporters, and end-users in the hydrogen energy supply chain.

7 investors

BlocPower provides construction management and financing for energy-efficient building upgrades, serving building owners, developers, and communities across the United States. The company retrofits buildings to reduce emissions and improve efficiency as climate solutions.

7 investors

Cabinet provides a platform for retailers to build private-label OTC and Rx medicine programs, covering formulation, sustainable packaging, and supply chain execution, and connects manufacturers to demand. It offers medicines in multiple formats with capabilities like clean-label, third-party testing, and refillable plastic-free packaging.

7 investors

Captura develops Direct Ocean Capture technology using bipolar membrane electrodialysis to remove CO₂ from the upper ocean and atmosphere. From its Pasadena facility, the company also manufactures high-performance membranes and electrodialysis stacks for carbon removal and other sustainability-focused industrial, resource, and energy applications.

7 investors

Change Foods uses precision fermentation with microbes to produce real dairy proteins, fats, and flavors without cows, then applies traditional cheesemaking techniques to make animal-free cheese that tastes, stretches, and melts like conventional dairy cheese. The company targets consumers seeking sustainable dairy alternatives.

7 investors

ClimateAi offers ClimateLens, an AI and machine-learning platform that applies patented models to weather and climate data at 1km resolution to produce short- and long-term forecasts and actionable insights. It serves businesses across the food and agriculture value chain to help them plan operations, source, and manage climate resilience.

7 investors

ConnectDER makes meter socket adapters (meter collars) that connect residential solar, battery, and EV charging systems directly at the electric meter, avoiding panel upgrades and complex electrical work. Its products are sold to solar, storage, and EV installers across the U.S. to reduce install time and labor costs.

7 investors

Conservation Labs develops H2know, a smart water monitoring system that uses machine learning to detect leaks and optimize water consumption through sound analysis in plumbing pipes for residential and commercial properties. The company also offers Sustainable Machines, a platform for predictive maintenance monitoring across industrial equipment.

7 investors

Dandelion Energy designs and installs geothermal heating and cooling systems for homes, positioning geothermal as a primary heating and cooling solution for both new and existing residential buildings.

7 investors

Enduring Planet provides working capital and fractional CFO services—including bookkeeping, accounting, analytics, and fundraising support—to climate-focused startups and SMBs. It offers non-dilutive credit products with no personal guarantees for companies working on climate mitigation, removal, adaptation, and resilience.

7 investors

Enpal offers residential solar systems for German households, available for purchase or rental in an all-in-one package that can include battery storage, a wallbox, an app, and a heat pump. The company handles consultation and installation through regional craftsmen, positioning itself as a market leader in Germany.

7 investors

Enter offers heat pumps and photovoltaic systems for homeowners, including online building analysis, expert consultation, system sizing, and installation through certified regional SHK (heating and plumbing) master contractors. The company also handles KfW subsidy applications and provides long-term service such as remote maintenance, operating in Germany.

7 investors

Formo uses precision fermentation to produce bio-identical milk proteins, such as its Formo Casein, that replicate the functionality, texture, and taste of dairy without animals. The company applies this technology to create animal-free dairy products like cheese.

7 investors

Greenlyte develops its LiquidSolar technology, which captures air, sunlight, and water to produce high-purity fuel feedstocks for synthetic (e-)fuels aimed at reaching cost parity with fossil fuels. Based in Germany's Ruhr region, it targets defossilization for hard-to-abate industries and domestic e-fuel production in Europe.

7 investors

Genecis commercializes the production of polyhydroxyalkanoate (PHA), a biodegradable polymer made from bacteria that consume organic waste, offering a sustainable alternative to petroleum-based plastics for packaging, textiles, medical devices, and other applications. The company applies circular economy principles to create high-quality, eco-friendly products that break down naturally without microplastic pollution.

7 investors

GlacierGrid provides smart energy management software that monitors and optimizes HVAC and refrigeration systems to reduce energy consumption and costs. The platform serves businesses seeking to lower operational expenses while reducing environmental impact.

7 investors

Gradient manufactures plug-in 120V window heat pumps that provide cold-climate heating and cooling, along with the Nexus energy control software that coordinates distributed units. Its products target multifamily and public housing electrification retrofits, avoiding costly electrical upgrades and refrigerant handling.

7 investors