Climate Tech Startups
3,466 companies tagged Climate Tech, with their investors and founders.
CalWave develops wave energy converter technology that generates power from ocean waves while withstanding storms and extreme conditions. The company designs and tests these systems as a clean energy source with a global market focus.
2 investors
Camus provides software that enables utilities to orchestrate distributed energy resources and flexible demand on the electric grid, improving planning and operations for decarbonized grid management. The platform helps utilities coordinate generation, loads, and infrastructure to support renewable energy integration and grid reliability.
2 investors
Cancrie develops advanced nanocarbon materials for battery applications, enhancing energy storage performance and longevity. The company combines laboratory research with sustainable manufacturing to produce materials for next-generation battery technologies and clean energy solutions.
2 investors
Capwell builds units that capture low-flow methane emissions from oil and gas wells and facility vents, sold to oil and gas operators. The company originated from a University of Pennsylvania senior design project and now runs commercial pilots with operators.
2 investors
Carba converts waste biomass into stable biocarbon using proprietary modular thermal reactors, for use in industrial materials, permanent carbon removal, and pollution management. The biocarbon can be buried in landfills to lock in carbon and filter out toxic substances such as PFAS, lead, and mercury.
2 investors
Carbon Block funds and generates high-quality carbon offsets from projects that reduce or sequester CO2, such as renewable energy in least developed countries and industrial hemp farming. It connects corporate buyers, funding agencies, and decarbonization projects through a carbon offset marketplace, with planned hardware and blockchain-based verification and tokenization of emission reductions.
2 investors
Carbon Clean develops modular carbon capture technology, including its CycloneCC system, designed for space-constrained industrial sites in heavy industries such as steel, cement, and energy. It works with large industrial companies to capture CO2 at scale in a cost-effective way to support their decarbonisation targets.
2 investors
Carbon Equity operates an online investment platform that gives individual investors, family offices, and professionals access to curated private-market climate funds and co-investments, including fund-of-funds and infrastructure debt strategies. It offers diversified exposure to energy, industry, materials, and electrification companies, with a focus on European and North American markets.
2 investors
CarbonBright provides software and analytics tools to help product companies measure and manage their environmental impact through automated lifecycle assessments, Scope 3 emissions mapping, and AI-powered sustainability analytics.
2 investors
CarbonCapture develops CO₂ direct air capture technology aimed at removing carbon from the atmosphere to address climate change. The company operates in the cleantech and carbon removal industry.
2 investors
CarbonCloud provides a sustainability intelligence platform for food and beverage companies to measure, manage, and reduce emissions across their supply chains. It uses an AI-powered engine and an emissions factors database to calculate Scope 3 emissions and product carbon footprints, and enables supplier collaboration and audit-ready reporting.
2 investors
CarbonCrop uses AI and automation to help landholders, carbon project developers, forestry consultants and primary sector exporters turn carbon removals from their land or supply chain into an asset. It operates a platform for high-integrity, nature-based carbon forestry projects, with an established base in New Zealand's carbon forestry market and plans to expand internationally.
2 investors
CarbonCrop provides a software platform for assessing land use and carbon potential, helping users identify and prioritise forest and native planting sites, generate ETS-ready shapefiles and documentation, and plan projects at farm and landscape scale. It supports carbon incentive alignment and collaboration for forest carbon projects in New Zealand.
2 investors
CarbonFarm uses satellite imagery and AI to monitor, verify, and certify methane-reduction and decarbonisation projects in rice farming, quantifying emissions and additionality at the paddy level. It serves rice value chain participants, project developers, traders, carbon project investors, and international organisations working with smallholder rice farmers.
2 investors
CarbonTribe builds software that uses AI, satellite imagery, scientific methodologies, and Web3 to quantify and verify social and environmental impact, generating tamper-proof digital impact assets with traceable calculations. It serves project developers and buyers of impact/carbon assets seeking third-party audited, transparent verification.
2 investors
Carbonyx develops proprietary technology to recover valuable materials from waste rock while permanently removing carbon from the atmosphere, producing carbon-negative and low-carbon materials for infrastructure and supply chains. The company's modular production systems operate under mild conditions and can be deployed near mining, construction, and manufacturing sites.
2 investors
Aircassie develops air filtration technology for indoor air quality using light-based methods. The company serves customers seeking cleaner and safer indoor environments.
2 investors
Catalyze develops, finances, builds, owns, and operates on-site renewable energy systems — combining solar, storage, and EV charging — for commercial and industrial real estate owners and operators across national portfolios in the US, with no upfront capital cost to the property owner. It also provides proprietary software and solar racking technologies to help partners scale their renewable energy projects.
2 investors
CBAMBOO provides advisory services and software to help companies manage compliance with the EU's Carbon Border Adjustment Mechanism (CBAM), analyse risk and reduce CBAM costs. Founded in 2023 and based in London, it specialises in CBAM management and policy.
2 investors
CEEZER operates an enterprise platform for building and managing corporate carbon credit portfolios, combining procurement, tracking, retirements, and reporting with in-house climate expert advisory services. It offers access to a marketplace of vetted global carbon projects and a proprietary project risk-assessment tool (Prism) for companies pursuing net-zero targets.
2 investors
The Clean Energy Finance Corporation (CEFC) is a specialist investor that funds projects across renewable energy, energy efficiency, and low emissions technologies to support Australia's transition to net zero emissions. It works alongside co-investors and industry to fill market gaps and mobilise additional capital.
2 investors
Ceibo operates mining dust control solutions through its subsidiary Casia, which applies dust suppressors to reduce emissions while saving water and improving operational safety in mining operations.
2 investors
CellX Biosolutions develops a biological method that uses bacteria to break down PFAS ("forever chemicals"), positioned as an alternative to conventional disposal methods. The company operates in the environmental cleantech and biotech space.
2 investors
Cetogenix is a New Zealand-based climate technology company developing engineering and process solutions in the cleantech and circular economy space.
2 investors