Circular Economy Startups

Aucto operates an online marketplace for buying and selling used industrial equipment such as presses, forklifts, and metal fabrication machinery, offering auctions, buy-now, make-an-offer, and best-offer formats. It serves industrial buyers and sellers with vetted listings, financing, and rigging/shipping support across North America, reaching buyers in 82+ countries.

4 investors

BettaF!sh produces plant-based seafood alternatives made from seaweed that replicate the taste and appearance of traditional fish products. The company serves consumers seeking sustainable food options while supporting ocean conservation and coastal community livelihoods.

4 investors

Beyond The Dome builds a modular, automated system for wastewater treatment facilities that destroys biosolids and treats sludge, eliminating organics including PFAS, microplastics, and pharmaceuticals while recovering water, minerals, and energy. The self-contained system integrates into existing infrastructure and reduces hauling volume, labor, and nutrient loading.

4 investors

Bioplaster develops biodegradable packaging materials and protective foam products that replace traditional plastics and paper for retail and textile industries. The company transforms environmental waste like sargassum into high-performance, sustainable packaging solutions.

4 investors

Bloom Biorenewables develops bio-based ingredients derived from non-food biomass, including a white lignin biopolymer, a bio-based solvent (DPX), and high-solids microfibrillated cellulose. These ingredients serve formulators in personal care, functional paper coatings, and paints and coatings as sustainable replacements for conventional additives.

4 investors

TradeBuddy is a technology platform for the scrap metal trading and recycling industry, serving metal processors, traders, and exporters. The company builds solutions to address operational challenges in metal recycling and circular economy operations.

4 investors

By Rotation is a fashion rental platform that allows consumers to rent designer clothing and lend or monetize their own wardrobes. The service focuses on sustainable consumption through sharing pre-owned luxury fashion items.

4 investors

Carba develops patented pyrolysis and carbon storage technology that converts waste biomass into stable carbon products for permanent carbon removal. The company targets climate change mitigation through modular reactor systems designed to achieve gigaton-scale carbon capture.

4 investors

Cirkla makes plant-fiber ready meal trays with easy-peel liners that are microwave- and oven-safe, leak-proof, and recyclable, designed as drop-in replacements for conventional ovenable and microwaveable trays. It serves ready meal manufacturers with customizable liner and lidding film combinations that run on existing packaging lines.

4 investors

Climitra builds a vertically integrated platform that converts India's waste biomass into bio-coal and removes carbon dioxide at scale for industrial decarbonization. The company serves industries seeking to reduce their carbon footprint through waste biomass conversion.

4 investors

Cove is a material innovation company that designs and commercializes sustainable alternatives to conventional polluting materials for global consumer brands. The company develops fiber-based packaging solutions to reduce plastic consumption in the packaging industry.

4 investors

Croissant is a resale app and browser extension that lets consumers see the resale value of fashion and branded items they own, then sell them for cash or store credit by shipping them in. It connects to users' email to find past purchases and surface buy-back deals across participating merchants.

4 investors

Cruz Foam produces a compostable protective packaging foam designed as a drop-in replacement for petroleum-based EPS and EPE foam. It supplies existing foam producers and converters as well as brands shipping physical goods, and its material is designed to disintegrate after use.

4 investors

CurbWaste offers a cloud-based platform that consolidates operational and management software needs for waste haulers, covering client servicing, scheduling, and business operations. It was built by industry veterans out of software originally developed for a hauling business, and serves waste management companies across the United States.

4 investors

Curtsy is a mobile app for buying and selling used clothing, shoes, and accessories, operating as a peer-to-peer marketplace where orders ship directly from sellers to buyers. It targets Gen Z women ages 15-30 and earns revenue by taking a 20% fee on each sale.

4 investors

Dagne Dover sells bags and accessories directly to consumers and offers e-gift cards with no processing fees or expiration dates. The company also runs a resale program for used items to reduce carbon impact.

4 investors

Danu Robotics manufactures AI-controlled two-arm robots and computer vision systems for sorting and picking dry mixed recyclable materials, designed to retrofit into existing manual waste sorting facilities (MRFs). The systems target waste management operators seeking to automate recycling sortation.

4 investors

Dioxycle develops electricity-driven technology to convert waste carbon emissions into chemical feedstocks for industrial manufacturing. The company serves chemical manufacturers seeking to reduce fossil fuel dependence and production costs through electrochemical recycling of CO2.

4 investors

Ecologic Brands designs and manufactures biodegradable, paper-based packaging, including a patented hybrid bottle with a recyclable liner and a molded fiber shell made from recycled materials. It serves consumer packaged goods brands across food and beverage, personal care, and home categories, and has been part of Jabil Packaging Solutions since 2021.

4 investors

Econic Technologies develops a patented catalyst technology that converts CO2 and other renewable carbon sources into polyols and surfactants for use in consumer products. The company licenses its technology to manufacturers who produce materials for major consumer brands, offering reduced carbon footprint and improved performance versus petroleum-based alternatives.

4 investors

EF Polymer makes a 100% natural super-absorbent polymer produced by upcycling agricultural waste such as fruit peels and pulp. Applied to farmland, it retains water to improve crop yields and lower production costs in arid conditions, and is biodegradable.

4 investors

Enerkem converts non-recyclable waste and biomass residues into biofuels and chemicals using gasification and syngas conditioning technology. The company operates commercial-scale biorefineries producing methanol, ethanol, and circular chemicals for hard-to-abate sectors.

4 investors

Pekilo is a mycoprotein-based ingredient that provides digestible proteins and dietary fiber as a sustainable alternative to meat products. The product targets food manufacturers and nutritional supplement producers seeking sustainable protein sources.

4 investors

Epic Cleantec develops modular water reuse systems for buildings to recycle onsite wastewater in sustainable construction projects. The company's approach prioritizes cost efficiency and space optimization compared to conventional wastewater treatment.

4 investors