Climate Tech Startups

Carbon America is a carbon capture developer that manages the full CO₂ capture, transport, and storage value chain — from screening and development through construction, operation, and closure — for hard-to-abate industrial and power sector emitters. Its projects include Project Antheia, which develops geologic CO₂ storage for industries in Georgia and the Southeastern United States.

3 investors

CarbonBlue develops EcoLime, a fully electrified, patented lime production process that operates at ambient temperatures and uses low-quality waste feedstocks such as steel slag, quarry fines, and demolition waste. It targets industrial producers in steel, paper (Kraft process mills), and construction to reduce emissions, cut fuel reliance, and enable circular reuse of waste streams.

3 investors

Carbonova uses a patented catalytic process to convert captured CO2, methane, and waste heat from manufacturing emissions into carbon nanomaterials. These net-negative nanomaterials are supplied to industries such as plastics/composites, lithium-ion batteries, and construction to improve material strength, durability, and performance.

3 investors

Cariqa operates a platform that connects EV charging operators and drivers directly, eliminating intermediaries to provide transparency and control in the charging market. The company provides infrastructure software for the electric vehicle charging industry.

3 investors

Cecil provides programmatic access to 40+ commercial and open spatial datasets—covering forests, biodiversity, land use, soil moisture, and climate hazards—standardized with consistent metadata, units, and projections. Its SDK and integrations with tools like QGIS, ArcGIS, Python, and R support environmental analysis and regulatory workflows such as EUDR, TNFD, SBTN, and CSRD for supply chains and asset portfolios.

3 investors

Charge Robotics automates labor-intensive tasks in solar construction to address deployment bottlenecks as demand for solar energy grows. The company focuses on enabling scalable solar installation through robotics technology.

3 investors

Checkerspot uses microalgae precision fermentation to produce specialized lipids and fats, including a bio-equivalent source of the sn-2 palmitate fat found in mother's milk, rare bioactive fatty acids, and tropical fat alternatives. Its ingredients serve the food, infant nutrition, and health and wellness markets, with partnerships aimed at scaling and commercializing these fats and oils.

3 investors

CheckSammy provides waste diversion and recycling services with a technology platform that tracks materials from pickup to final destination, connecting businesses to a network of recycling and sustainability facilities. It serves enterprise clients across North America with chain-of-custody tracking, automated reporting, and ESG metrics.

3 investors

Chilli is a mobile app and social platform that lets users follow "impact creators", take quick actions (under 30 seconds) on causes such as climate justice, oceans, forests and human rights, and donate to fund creators' work. It targets individuals who want to participate in activism and collective action.

3 investors

ChrysaLabs provides soil carbon measurement, reporting, and verification (MRV) using patented direct-contact proximal sensing technology deployed in field soil. Its solution generates Verra VM0042/VCS-aligned carbon sequestration data for developers of soil carbon credit projects, aiming to produce lower-cost, bankable carbon assets.

3 investors

Claros Technologies develops PFAS ("forever chemical") detection, analytical testing, and destruction technologies that eliminate PFAS at the source at commercial scale, serving PFAS manufacturers and companies facing environmental regulation and liability. It operates an ISO/IEC 17025 accredited laboratory offering analytical services and privileged legal assessments.

3 investors

CarbinX is a carbon capture device that connects to natural-gas heating appliances in buildings to capture and permanently sequester carbon dioxide as potassium carbonate, while also functioning as an economizer to recover waste heat. The company operates in the cleantech and climate solutions sector for building decarbonization.

3 investors

Colorifix uses engineered microorganisms to produce, deposit, and fix dyes on textiles through a biological fermentation process, aiming to reduce the environmental impact of textile dyeing. It develops and manufactures bioreactors and fermentation media for textile industry customers.

3 investors

Conry Tech develops HVAC technologies focused on energy efficiency and sustainability in climate technology. The company builds on its founders' background in cooling systems such as modular chillers and Turbocor compressors.

3 investors

Cool Planet Technologies develops a membrane-based process for capturing carbon dioxide from industrial flue gas emissions, targeting industrial emitters including hard-to-abate sectors. The company designs, builds and sells carbon capture solutions to help companies meet net zero commitments.

3 investors

CorPower Ocean develops wave energy converters that transform ocean waves into electricity through biologically-inspired technology. The company operates in the renewable energy sector, targeting commercial-scale wave energy deployment globally.

3 investors

Correntics provides data-driven climate risk analytics software that predicts extreme weather and climate hazards across value chains, helping global enterprises identify supply chain weak points, mitigate business interruption risks, and automate climate and sustainability reporting such as TCFD. It serves organizations managing supply chain resilience through digital risk services, SaaS, and APIs.

3 investors

Cove develops PB1, a multi-piece molded fiber bottle platform with biobased barrier liners that is designed to be recycled in standard paper streams and used for CPG products such as beverages, personal care, home care, and supplements. The company sells its packaging technology to consumer brands seeking renewable, paper-recyclable containers in formats including bottles, jars, tubes, and refill pods.

3 investors

EnergyBank develops a system to firm floating offshore wind at the turbine, enabling co-location of compute modules with power generation and avoiding grid connections through high-seas siting and direct ocean cooling. The company operates in the offshore wind energy and data center infrastructure space.

3 investors

CURA develops electrochemical technology to reduce the process CO2 emissions released during limestone calcination in cement production. The company targets cement producers with an upstream approach designed to integrate with existing plants rather than requiring material substitution or plant replacement.

3 investors

Current Foods produces plant-based and biotech-derived seafood products, including raw tuna and smoked salmon alternatives, designed to compete on flavor, nutritional profile, cost, and supply reliability. The company targets consumers seeking sustainable seafood options without sacrificing taste or health benefits.

3 investors

Dcycle is a data platform that connects operational data across energy, logistics, procurement, and finance to automate sustainability and ESG reporting across frameworks such as CSRD, carbon footprint, ISO 14001, and EcoVadis from a single data source. It serves SMEs through enterprises in Europe and North America, using built-in AI for data classification, anomaly detection, and disclosure drafting.

3 investors

Descartes Underwriting develops AI-powered parametric insurance products for natural perils including storms, wildfires, hail, and tornadoes, using satellite imagery, environmental data, and advanced modeling to assess risk and process claims. The company serves insurers and risk managers seeking to close coverage gaps in a changing climate.

3 investors

Dift is a fundraising platform that lets individuals set up charity fundraising pages ("cagnottes") in a few clicks to support verified nonprofit associations, with tax receipts and transparent donations. It also offers tools for associations to engage their communities and increase their fundraising, primarily serving French donors and charities.

3 investors