Climate Tech Startups

Bay West provides environmental consulting, site investigation, remediation, industrial services, and emergency response solutions. It serves commercial, industrial, municipal, state, and federal clients across the Upper Midwest and nationally in the United States.

2 investors

BBLeap builds precision spraying technology for agricultural sprayers, offered as after-market retrofits or factory-integrated solutions, enabling variable-rate application at the individual plant level. Its systems provide accurate dosing, spot spraying, task-map execution, and integration with farm management systems for crop growers.

2 investors

BBTruck provides supply chain logistics management solutions including a fleet management system (WTMS), cross-border e-commerce logistics platform (BecLog), and logistics carbon tracking services. The platform serves logistics operators, freight forwarding companies, and e-commerce businesses seeking transparent, data-driven logistics operations.

2 investors

Supercircle operates a recycling infrastructure platform that lets apparel brands take back and recycle used clothing, turning recycling into a revenue channel rather than sending garments to landfill or incineration.

2 investors

Benchmark Labs develops AI-powered, asset-specific weather forecasting solutions for agriculture, energy, and insurance sectors. The company uses machine learning and hyperlocal environmental data to provide point-specific forecasts that improve decision-making for fixed-asset verticals.

2 investors

Tacit is a University College London spinout that builds software to consolidate scattered building data, giving facilities management and estates teams live insights into site performance, cost, risk, and Net Zero progress. It serves teams that operate buildings, offering board-ready dashboards and asset history tracking, with pilot deployments across the UK and Europe.

2 investors

Biftek develops a microorganism-based growth medium supplement for cultured meat production, offering a lower-cost alternative to fetal bovine serum. The product targets the cultivated meat industry, aiming to reduce the cost, water use, land use, and emissions associated with meat production.

2 investors

BiOWiSH Technologies makes microbial additives that are coated onto or mixed with dry and liquid fertilizers to improve nutrient use efficiency and crop yields for farmers. Its products, distributed through partners like ADM and Syngenta's Modern Agriculture Platform in China, are marketed as reducing carbon footprint, water use, and agrochemical inputs in agricultural production.

2 investors

Birch Biosciences develops enzyme-based plastic recycling technologies using green chemistry and machine learning to transform plastic waste into reusable material. The company targets the plastic resin market with solutions for industrial and commercial recycling applications.

2 investors

Blue Planet Energy develops energy storage systems used in homes, businesses, and communities to enable clean, reliable, fossil-fuel-free power. The company positions its products as premium energy storage solutions supporting energy independence.

2 investors

Bluemethane develops technology to measure, prevent and recover methane emissions from liquid systems such as wastewater treatment, anaerobic digestion and reservoirs. Its systems integrate with existing infrastructure to reduce emissions and support regulatory and net zero targets.

2 investors

Blume Equity is a European investment firm focused on climate technology, partnering with growth-stage companies working on climate and sustainability solutions.

2 investors

Bold Reuse operates a full-service reusable packaging and serviceware platform, handling collection, washing, redelivery, and real-time reporting so venues can replace single-use items with reusables. It serves sports stadiums, convention centers, campuses, corporate operations, and food businesses, primarily in the United States.

2 investors

bound4blue builds wind propulsion systems that serve as an auxiliary power source for ships, helping vessels reduce fuel consumption and emissions. The technology targets shipping operators seeking to lower costs and meet maritime emissions regulations such as EEXI and CII.

2 investors

Boxologic develops packaging optimization software for e-commerce companies to reduce void space in shipped boxes, lowering cardboard usage, filler material, and transportation costs.

2 investors

Breaking develops engineered microorganisms and enzymes—notably a microbe variant called MICROBE X-32—that biologically degrade many types of plastic waste into organic matter. The company also aims to create new bioplastics, chemical recycling via depolymerization, and biofuels/biomaterials, addressing plastic pollution and remediation.

2 investors

Breathe ESG provides a software platform that helps organizations manage environmental, social, and governance (ESG) reporting and Net Zero target setting. The platform simplifies ESG compliance and greenhouse gas calculations across key sustainability standards.

2 investors

Bridged Media is a media consultancy that provides decision frameworks, operating systems, and measurement practices to help editorial and subscription teams scale AI capabilities across their organisations. The company works with news publishers and event organisers to establish governance, workflows, and accountability structures that turn AI from isolated tools into repeatable organisational capabilities.

2 investors

Brightband is building an end-to-end AI Earth System for probabilistic weather and climate forecasting, and plans to open source benchmark datasets, models, and metrics for global weather forecasting. It offers AI weather modeling and forecasting tools to academia, government, and companies.

2 investors

Brightly is a platform that helps organizations measure, verify, and scale food waste reduction and generate high-integrity carbon credits from food rescue and methane prevention. It works with partners ranging from food banks to Fortune 500 companies to turn food waste reduction into carbon revenue and verified Scope 3 emissions reductions.

2 investors

Briink builds AI tools for extracting, structuring, and verifying ESG and sustainability data from reports, policies, questionnaires, and supplier disclosures, turning scattered information into structured data reusable across reporting frameworks. Its API and platform serve sustainability teams and ESG software providers.

2 investors

Unreal Milk produces lab-grown whole cow milk using cellular agriculture technology. The company targets consumers seeking sustainable dairy alternatives.

2 investors

BuildQ combines AI-native software with expert services to speed up execution of capital-intensive infrastructure projects, handling diligence, project tracking, financing support, document and contract review, and blocker resolution. It serves energy, real estate, and data center developers, EPCs, and capital providers by consolidating project documents and workflows into a single source of truth.

2 investors

Buluttan provides AI-based hyper-local weather intelligence, offering location-specific forecasts and power generation predictions. It serves industries including renewable energy, energy grids and utilities, logistics and mobility, and port operations.

2 investors