Climate Tech Startups

Captivate develops a proprietary Metal-Organic Framework material and Vacuum Pressure Swing Adsorption process for low-energy, cost-effective carbon dioxide capture and separation in industrial applications including biogas, geothermal, and cement production.

4 investors

Caravel engineers proteins into scalable industrial "protein machines" for applications including critical minerals recovery, carbon capture, and industrial processes. The company develops a protein engineering platform aimed at reducing the time and cost of scaling proteins for industrial use.

4 investors

Carbon Crusher uses lignin-based materials to recycle existing road surfaces into carbon-negative replacements, removing approximately 1.5 tonnes of CO2 per 100 feet of road. The company offers crushing and refurbishment services to road owners and operators, with plans to use satellite monitoring for road condition assessment.

4 investors

CarbonCure develops technologies that inject captured CO₂ into fresh concrete during mixing, where it mineralizes and permanently embeds in the material while reducing the amount of cement needed. The company sells these systems to cement and concrete producers to help lower the embodied carbon of concrete and the built environment.

4 investors

Carbonfuture operates a digital platform for the monitoring, reporting, and verification of durable carbon removal, supporting projects from due diligence through third-party verification and certification. It serves carbon removal suppliers seeking certification and market access, as well as buyers looking for vetted portfolios of carbon removal credits.

4 investors

CarbonPool provides insurance products for carbon credit projects, covering unexpected carbon credit shortfalls and reversal events caused by natural catastrophes, weather, disease, and machine breakdown, and compensates clients with high-quality carbon credits. Its clients are project developers, corporate buyers, and investors in carbon credits, and it offers products such as carbon shortfall insurance, carbon reversal insurance, and planting insurance cover, including a solution aligned with Verra's Durability Pilot.

4 investors

Chakr Innovation is a cleantech and material science company that develops retrofit emission control devices, dust suppression systems, emission monitoring solutions, and aluminium-air energy products to reduce air pollution. It serves industrial facilities, corporates, real estate developers, and public sector organizations in India, with a flagship RECD that cuts diesel generator emissions by up to 90%.

4 investors

Clarity provides air quality monitoring covering ambient pollutants such as particulate matter, ozone, nitrogen dioxide, carbon monoxide, and sulfur dioxide. It serves organizations including industrial and mining facilities that need to measure and act on outdoor air pollution.

4 investors

Clever Carnivore develops cultivated meat — beef, pork, and chicken grown from animal tissue samples in a food production facility — as an alternative to industrial farm-raised meat. The company targets the consumer market with cultivated meat products, including a bratwurst, focused on low-cost, scalable production.

4 investors

Climate X develops climate risk analytics software—including its Spectra, Adapt, and Carta products—that translates physical climate risks into financial loss metrics, adaptation CapEx estimates, and portfolio exposure mapping across millions of global assets. It serves financial services, real estate, and asset management firms, including G-SIBs and asset managers.

4 investors

Climatize is a financial platform that enables retail investors to fund renewable energy projects across the United States with minimum investments of $10, offering potential annual returns up to 10%. The platform vets climate and renewable energy projects and serves individual impact investors seeking to combine financial returns with climate action.

4 investors

Climeworks develops Direct Air Capture technology to remove carbon dioxide directly from the air, and through Climeworks Solutions designs and manages carbon removal portfolios that combine engineered and nature-based methods. It serves organizations seeking carbon removal, including compliance-ready offerings.

4 investors

CoverCress Inc. develops agricultural products and seeds that enable farmers to convert idle winter fields into profitable crops. The company supports sustainable farming practices and creates renewable energy feedstock through partnerships with farmers, grain handlers, and biofuel producers.

4 investors

Cruz Foam produces a compostable protective packaging foam designed as a drop-in replacement for petroleum-based EPS and EPE foam. It supplies existing foam producers and converters as well as brands shipping physical goods, and its material is designed to disintegrate after use.

4 investors

Cultivo uses data analysis, machine learning, and generative AI to plan and finance nature-based restoration projects, connecting land, capital, and ecological regeneration. It works with investors and landowners to develop and scale natural landscape regeneration efforts.

4 investors

Deep Sky develops carbon removal technology, leveraging geological expertise and subsurface engineering to address climate change. The company operates with teams of geologists, climate scientists, and software engineers across multiple countries.

4 investors

De-Ice develops an electric heating technology for aircraft de-icing, eliminating chemical spraying and reducing departure delays. The company plans to expand its technology to applications like wind turbine maintenance.

4 investors

Dimensional Energy develops catalyst and service technology for producing sustainable fuels, licensed to project partners through a recurring, capital-light licensing model. The company sells catalyst and service bundles to enterprises and project developers.

4 investors

Downforce Technologies operates a data-driven platform that measures soil organic carbon, soil health and biodiversity using high-resolution remote data instead of physical soil sampling. It serves farmers, landowners and agricultural, food and fashion supply chains for carbon monitoring, regenerative farming, and sustainability reporting and compliance.

4 investors

e-Zinc develops zinc-based long-duration energy storage technology that decouples energy from power to provide reliable, lower-cost backup power and grid support. The modular, scalable system serves grid operators and end-users seeking resilient, low-carbon alternatives to fossil fuel power.

4 investors

Earth Funeral offers soil transformation as an eco-friendly alternative to traditional funerals, operating soil transformation facilities and combining soil science with software to provide end-of-life services. The company serves families arranging sustainable end-of-life care in the United States.

4 investors

Ecolectro is an e-commerce site providing information on goods and services, with the ability for users to contact the company and sign up for a mailing list.

4 investors

Elephant Energy provides end-to-end home electrification services for homeowners, handling heat pump and heat pump water heater installation including sizing, contractors, rebates, inspections, and electrical work. The company operates in the residential climate and clean energy market, serving areas including Colorado, Boston, and Los Angeles in the US.

4 investors

Ember operates an all-electric intercity bus service in Scotland, running routes between cities including Dundee, Aberdeen, Edinburgh, Glasgow, Oban, Fort William and Inverness with airport connections. It offers passengers features such as live bus tracking, low fares, flexible tickets, Wi-Fi, and wheelchair and bike spaces.

4 investors