Top Sustainability Startups in 2026

Lair East Labs is a startup accelerator based in New York that empowers founders to expand internationally. At the heart of Lair East Labs lies the startup accelerator. Each year 15 - 20 startups take on our program and receive investments of $75K~150K. Our 3-month program combines the best of two worlds - learn from alumni founders of top Silicon Valley-style accelerators and gain access to a network of mentors and investors with extensive experience navigating the U.S. and Asian markets. In the first four years of operation, our portfolio companies have raised $60+ million in funding after completing the accelerator. We support founders in their quest to build successful and sustainable ventures that solve global problems. We are founders accelerating founders. For more information: please visit: laireastlabs.com

Beehive helps companies bring climate into their enterprise risk management strategy. We work with our our clients measure climate-related financial risks and publish TCFD reports. Our software is built by a team with decades of experience across tech, climate reporting, and modeling. For our clients, we're both the fastest and lowest-cost way to publish a TCFD report and a software built for sophisticated enterprise climate risk management.

Circularise is a supply chain traceability platform. We help manufacturers collect, verify, and share sustainability data across complex supply chains — and produce the digital product passports, mass balance reports, and compliance documentation their customers and regulators require. We were founded in The Hague in 2016. Our customers include large manufacturers in automotive, batteries, chemicals, and plastics. The platform lets companies share what they need to without exposing commercially sensitive information.

Please see our website for additional info - pakaapparel.com

Climate-Native Product Management - We make it a business value to produce and provide sustainable materials. The Emidat Platform enables automated generation and distribution of lifecycle assessments (LCAs), environmental product declarations (EPDs) and digital product passports (DPPs). This helps material manufacturers to fulfil customer demands, differentiate their product and be ready for upcoming regulation (e.g. EU CPR). With Emidat, material manufacturers: - Reduce cost and time for generating EPDs / LCAs by over 70% - One license - unlimited product profiles through our third party verified platform - Save time on data collection and text writing based on AI The Emidat database consists of environmental data on over 150k construction products and can be accessed via API and UI.

Energy consulting

Tracera is a cutting-edge platform empowering businesses to achieve sustainability goals with high-integrity, auditable ESG data. It helps you simplify data collection, verification, and reporting, enabling companies to meet regulations, improve ESG ratings, and drive impactful change. Trusted by global leaders, Tracera is making sustainability measurable, transparent, and actionable.

Overstory’s mission is to help solve our climate crisis by providing real-time intelligence about the planet’s vegetation. In our first step toward this mission, we are applying machine learning to satellite imagery to track forests and vegetation, helping to reduce the risk of wildfires and prevent biodiversity loss. We just raised a round of funding, led by Moxxie Ventures and Capital T. Other investors include: Pale Blue Dot, Omidyar Technology Ventures, Toba Capital, Overwater Ventures, Climate Capital and Techstars. If you want to have a real impact by working in climate tech, come join our talented, passionate team.

At Cadmus, we recognize that solving the world’s most challenging problems can’t be accomplished alone or with cookie-cutter solutions. That’s why we look for team players and problem solvers who are driven to use their unique perspectives and intellectual curiosity to help deliver breakthrough solutions that achieve transformative goals. On the Cadmus team, you’ll collaborate with leading experts to help our clients across the globe. Cadmus’ mission is to deploy industry-leading expertise to help our clients achieve extraordinary results that strengthen society and the natural world. We offer competitive compensation, outstanding health care and retirement benefits, a vibrant and collaborative work environment, and opportunities for professional growth. We are committed to advancing diversity, fostering a culture of equity in the workplace and society, and maintaining an accessible and inclusive environment where all employees feel connected, respected, and valued. Join Cadmus. Let’s solve the world’s most challenging problems together.