Climate Tech Startups
3,467 companies tagged Climate Tech, with their investors and founders.
MGA Thermal develops a thermal energy storage system based on stackable "MGA Blocks" that stores renewable energy and discharges it as process heat, steam, or electricity for grid and industrial use. The long-duration Electro-Thermal Energy Storage (ETES) technology is aimed at firming variable renewable generation to enable 24/7 clean power.
5 investors
MicroHarvest produces protein through natural fermentation of microorganisms, generating high-quality protein from raw materials within 24 hours. The company targets the food ingredients industry with a scalable, lower-footprint alternative to conventional animal protein.
5 investors
Mitiga Solutions provides physical climate risk analytics that assess exposure across large portfolios of assets, regions, and business units, identifying where risk concentrates and how it evolves under future scenarios. Built on validated climate models, it serves risk, finance, sustainability, and strategy teams in sectors such as financial services, infrastructure, real estate, energy, and logistics for ERM, capital allocation, disclosure, and underwriting decisions.
5 investors
Molg develops autonomous microfactories using advanced robotics to disassemble electronics and recover valuable components for reuse and remanufacturing, addressing e-waste through circular manufacturing practices.
5 investors
NCX provides forestry analytics, market access, and expert guidance to family forest owners across the United States, helping them navigate timber sales, carbon credit programs, and conservation opportunities. It offers free tools to assess land potential and connects landowners with foresters to unlock value from their property.
5 investors
Neara provides a 3D, physics-based digital twin platform that unifies LiDAR, GIS, and asset records into an engineering-grade model of electrical networks, letting utilities simulate environmental and mechanical scenarios to predict asset failures, prioritize grid hardening, and plan network designs. It serves electric utilities and grid operators for wildfire, flood, and storm risk analysis, asset management, and design validation.
5 investors
Neufin provides renewable energy procurement for businesses with power demand from 100 kW, offering bulk procurement pricing, multi-state coverage, and standardized pre-negotiated contracts with flexible durations from 3 months to 25 years.
5 investors
Nobell Foods produces plant-based dairy cheese made from soybean plants engineered to grow casein protein, working with Midwest farmers. The company targets consumers seeking sustainable cheese alternatives that match the taste and melt characteristics of traditional dairy cheese.
5 investors
Number8 develops BetterFeed, a livestock bolus supplement designed to improve animal nutrition and farm resilience while reducing pasture waste. The product targets grazing producers in Australia seeking documented emissions reductions in their supply chain.
5 investors
NUVIEW is building a constellation of commercial satellites to collect LiDAR data and annually map the Earth's entire land surface, producing high-resolution 3D elevation, terrain, and surface models. Its data and analytics serve applications in forestry, climate, agriculture, infrastructure, disaster management, telecommunications, defense, and government mapping programs.
5 investors
Odys designs and builds long-range, hybrid-electric VTOL aircraft for defense, logistics, and civil applications. The company's aircraft use flap-based thrust vectoring architecture and serve missions including tactical cargo transport, emergency medical evacuation, and defense operations.
5 investors
Orbify offers a satellite intelligence platform that monitors vegetation threats, climate risks, and infrastructure changes for energy markets and the environmental sector. Its Earth Observation data helps organizations prevent outages, optimize maintenance, and stay compliant, starting with short pilot deployments on priority corridors.
5 investors
5 investors
Perl Street provides financial infrastructure and software for renewable energy investors and developers to manage capital deployment, compliance, and operations related to clean energy projects, particularly those funded through the Greenhouse Gas Reduction Fund. The platform helps teams track portfolio metrics, manage project pipelines, and meet federal reporting requirements at scale.
5 investors
Persefoni provides carbon accounting and climate training tools for portfolio company engagement. The platform offers technical support through Persefoni Copilot and educational resources via Persefoni Academy, both included in its Pro subscription for suppliers and portfolio companies.
5 investors
Phospholutions develops phosphorus fertilizer technology, including its patented RhizoSorb additive and RhizoSorb 8-39-0 product, designed to increase phosphorus efficiency and replace dry MAP and DAP fertilizers. It serves fertilizer manufacturers, retailers, and growers in agriculture.
5 investors
Picarro provides greenhouse gas and volatile organic compound monitoring solutions, combining cavity ring-down spectroscopy (CRDS) instruments with data analytics and support for industrial and scientific sectors. Its systems are used for emissions reduction, gas leak detection, regulatory compliance, and environmental research across applications such as natural gas utilities and ethylene oxide monitoring.
5 investors
Planet A Foods develops alternative food ingredients using food technology to reduce climate impact in the food industry. The company produces ChoViva, a no-cocoa chocolate ingredient for B2B food manufacturers seeking sustainable supply chain solutions.
5 investors
Planetary operates a full-stack microbial fermentation platform, building, owning, and running a global network of fermentation facilities to produce bio-based food ingredients and materials at scale for partner companies. Its proprietary BioBlocks fermentation and AI platform is used to scale up, optimize, and manufacture products such as mycoprotein for applications ranging from food to textiles.
5 investors
Pluton is developing a sun-powered, soil-surface biological nutrient system that uses photosynthetic microbial consortia to fix atmospheric nitrogen, improve phosphorus availability, and add carbon to soil for crop growers. Its products are in development and designed to integrate with existing fertilizer and biological input programs in modern agriculture.
5 investors
Posh builds rapidly deployable battery storage and on-site power generation systems for commercial, industrial, and data-center customers, paired with intelligent energy management software. The company serves businesses that require fast power deployment when grid infrastructure cannot keep pace with demand.
5 investors
PosiGen is a residential solar company that installs and services solar energy systems for homeowners, including system monitoring and billing. As of early 2026 it is undergoing a business restructuring and transitioning customer servicing to third-party providers.
5 investors
Proof provides sustainability business intelligence and compliance services combining expert advisors, data procurement, and AI automation to help organizations manage regulatory risk, disclosure, and reporting. It serves companies, investors, funds, consultancies, and law firms navigating sustainability requirements such as CSRD and EU taxonomy across multiple regions.
5 investors
Public Grid simplifies access to household energy efficiency actions and connects individuals with their neighbors to collectively reduce emissions and save money. The platform serves households seeking to take environmental action without complexity.
5 investors











