Climate Tech Startups
3,477 companies tagged Climate Tech, with their investors and founders.
Pacific Fusion is developing a high-gain pulsed magnetic inertial fusion system designed to achieve net facility gain, using a modular fast electric pulser, a meter-scale fusion chamber, and small fuel containers. The company aims to produce affordable, on-demand fusion power to meet global energy demand and address climate change.
12 investors
Phoenix Tailings develops clean technology for rare earth element refining in the United States. The company operates across the full value chain, from mining and recycling to separation and magnet production.
12 investors
Aerones provides robotic inspection, cleaning, coating, and repair services for wind turbine blades. The company serves wind park operators in the renewable energy sector.
11 investors
Albedo develops a flight-proven platform for Very Low Earth Orbit operations, providing satellite-based insights and connectivity services for national security and critical infrastructure systems. The company focuses on making space infrastructure operationally viable and resilient.
11 investors
BurnBot builds purpose-built, remotely controlled machines and services for wildfire mitigation, fuels management, vegetation control, and timber operations. It serves infrastructure operators, communities, agencies, and ecological partners looking to reduce fire risk while protecting land and ecosystems.
11 investors
Choco operates a B2B platform connecting restaurants and food suppliers to reduce order inefficiencies and food waste across the supply chain. The company serves the food industry with tools for inventory management and waste tracking.
11 investors
DroneDeploy provides a robotics and AI platform used for data collection and site intelligence across construction, energy, infrastructure, and agriculture. The platform integrates aerial drones, ground robots, and AI to help field teams digitize and monitor job sites across 180 countries.
11 investors
Oklo develops next-generation fast fission reactors for producing clean electricity at scale, with a focus on safety features and the ability to use recycled nuclear waste as fuel. The company's Aurora reactor is designed to generate up to 75 megawatts of electrical power.
11 investors
Spire operates a constellation of nanosatellites that collect granular Earth and environmental data from orbit, providing analytics for climate, logistics, and community protection. The company serves customers in industries including logistics, environmental monitoring, and government sectors.
11 investors
ZeroAvia develops hydrogen-electric powertrain technology for aircraft, aiming to enable zero-emission aviation. It operates in the aerospace and clean transportation sector.
11 investors
Beam is a shared micromobility operator providing electric scooter services across Asia Pacific cities, committed to climate neutrality and Vision Zero safety standards through technology and rider education programs.
10 investors
Boston Metal develops Molten Oxide Electrolysis (MOE), an electrified process for producing steel and other metals from a range of oxide feedstocks without direct emissions. The company targets industrial metals and critical-metals production, operating from Massachusetts with a subsidiary in Brazil.
10 investors
Compound Foods develops alternative coffee and cocoa ingredients made from upcycled, climate-resilient sources to address supply chain volatility and environmental impact of traditional coffee and cocoa production.
10 investors
Connect Earth provides a Sustainable Finance operating system that helps financial institutions assess portfolio sustainability, automate ESG reporting, and align investments with sustainability standards like the EU Taxonomy and SFDR requirements. The platform serves retail banks, asset managers, asset owners, and other financial services firms seeking to integrate sustainability reporting and compliance into their operations.
10 investors
David Energy builds technology to enable electricity grids powered by 100% clean, renewable energy. The company serves residential and business customers seeking to transition away from fossil fuel-dependent electricity systems.
10 investors
EarthOptics measures soil health for farmers and landowners using field sensors and lab analysis to assess soil's physical, chemical, and biological properties. The company delivers analytics for crop planning, nutrient management, and carbon measurement, including carbon credit programs and GHG life cycle assessments.
10 investors
Enertiv provides a software platform for real estate portfolios to automate sustainability reporting, compliance, and utility data collection, and to manage decarbonization, energy optimization, tenant utility billing, and maintenance. It serves real estate owners and sustainability teams, having started with building equipment monitoring hardware before expanding into a broader operations platform.
10 investors
Heirloom operates Direct Air Capture (DAC) facilities that use limestone and carbon mineralization technology to permanently remove CO2 from the atmosphere at scale. The company combines natural limestone carbonation with engineering to create verifiable, low-cost carbon removal solutions powered by renewable energy.
10 investors
Kadeya operates a closed-loop beverage dispensing system that bottles drinks on demand in workplace settings and collects bottles for cleaning and reuse, eliminating single-use plastic waste. The system serves construction sites, offices, and other workplaces seeking to reduce packaging waste and improve employee hydration and wellness.
10 investors
Measurabl is a sustainability data platform for real estate organizations that enables measurement, management, and reporting of environmental performance across buildings and properties. The platform serves real estate companies to drive asset value, lower capital costs, and manage physical climate risk exposure.
10 investors
Near Space Labs provides high-resolution 7cm geospatial imagery captured from stratospheric altitudes, serving government, utilities, insurance, and environmental monitoring applications with frequent data refresh cycles and wide-scale coverage.
10 investors
Raptor Maps provides AI-powered analytics and automation software for solar plant operations, helping owners, operators, and engineers reduce costs and losses through visual data analysis and autonomous drone inspections. The platform uses machine learning to analyze site images, detect equipment defects, and enable remote monitoring across distributed solar assets.
10 investors
Satellogic provides geospatial imagery and Earth Observation data from its satellite constellation, and runs programs that supply free imagery and developer resources to researchers, academic institutions, and humanitarian agencies. Its data supports disaster response, damage assessment, food security, and climate monitoring efforts.
10 investors
Alga Biosciences develops feed additives that reduce methane emissions from cattle — cutting cow burps to combat climate change.
9 investors