Top Environmental Science Startups in 2026

Seed Health, Inc. is a microbial sciences company pioneering applications of bacteria to impact human and environmental health. In collaboration with leading academic partners, our foundry model accelerates breakthrough science to develop live biotherapeutics and consumer innovations. Our Scientific Advisory Board is comprised of leading scientists with expertise in microbiology, immunology, genetics, metabolomics, gastroenterology, pediatrics, environmental sciences, and women’s health. Learn more—seedhealth.com Our consumer portfolio, Seed®, develops next-generation probiotics for specific developmental stages and various ecosystems of the body—seed.com

Planet Alpha Corp. (“PαC”) is a carbon measurement infrastructure, carbon securities and carbon products company integrating multiple Earth, economic and social transactions to reduce emissions of CO2 and greenhouse gases (GHG) to benefit landowners, investors and the planet. We do good by directly supporting landowners for their reduction of CO2 emissions through forest growth and management resulting in a performance-linked GHG economy positioned for business growth and return on investment. PαC creates a new forest carbon business paradigm that pays landowners and Indigenous People, upfront and annually, for directly measured carbon sequestration and sustainable management over the lifetime of the project covering decadal intervals up to 100 years.

Lunar Outpost is the leader in commercial planetary robotics, enabling businesses and governments to explore and utilize the lunar surface with a focus on developing technologies that have both terrestrial and space applications. Comprised of engineers with experience working on NASA, defense, and commercial programs, Lunar Outpost is well suited to actively engage with customers in a collaborative manner to produce quality products. Lunar Outpost is enabling an extended human presence in space while positively impacting Earth and always striving toward #thenextleap!

Know your environment. Protect your health. Environmental Working Group (EWG) works to protect people from toxic chemicals – in their homes, food, tap water and everyday household products. We use unique expertise to gather and analyze mountains of data – on personal care products, household cleaners, processed foods, drinking water contaminants, agriculture damage – to expose risky practices, and products, confront manufactures and industries directly, and challenge the chemical status quo. Our signature shopping guides and databases push companies to make cleaner, greener products and give consumers the information they need to make safer choices today. Our teams in DC, San Francisco, Sacramento and Minneapolis go directly to lawmakers to educate them about these issues and push for the regulatory reforms we need. In 2020, EWG published 142 new’s and analysis posts, 19 AG Mag blog posts, 11 Children’s Health posts and 130 press releases and statements. More than 26 million web

EQLand is a cloud-based platform that helps you to monitor local, national and international environmental issues in real time. It provides a range of built-in tools for analyzing large amounts of data on environmental issues such as air quality, water quality and waste management. EQLand is for anyone who wants to know about the risks associatedwith any property or environment, so that they can make informed decisions about eco-friendly ways to manage those risks

cKinetics provides solutions in the areas of: 1. Capturing market data to provide actionable insight, information and analytics 2. Creating and implementing a resource blueprint and improving process efficiency 3. Providing access to capital for innovation and sustainability Some of our products can be seen at: comMIT.cKinetics.com CaliforniaCarbon.info

CEA Consulting (CEA) is a boutique environmental consultancy. For more than 35 years, CEA has helped transform markets, business practices, public policies, nonprofit organizations, and philanthropic strategies to achieve positive outcomes for the environment. Our work is guided by a deep knowledge of the scientific, financial/economic, and sociopolitical underpinnings of our most pressing environmental problems. For a more in-depth description of our services and philosophy, please see our website: ceaconsulting.com.

NRDC is the nation's most effective environmental action organization. We use law, science and the support of 1.3 million members and online activists to protect the planet's wildlife and wild places and to ensure a safe and healthy environment for all living things. Worth Magazine has named NRDC one of America's 100 best charities, and the Wise Giving Alliance of the Better Business Bureau reports that NRDC meets its highest standards for accountability and use of donor funds. NRDC was founded in 1970 by a group of law students and attorneys at the forefront of the environmental movement. NRDC lawyers helped write some of America's bedrock environmental laws. Today, our staff of more than 300 lawyers, scientists and policy experts -- a MacArthur "genius"​ award-winner among them -- work out of offices in New York, Washington, Chicago, Los Angeles, San Francisco and Beijing.

Headquartered in Walnut Creek, Calif., Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations. We are the largest engineering and construction firm solely focused on the U.S. water and environmental sectors. Our creative designs and progressive solutions have helped municipal, federal and private organizations overcome their most complex environmental challenges. We offer a comprehensive range of engineering, scientific, consulting and construction services and all the essential ingredients® for a successful project and a standout experience. We are passionate about delivering exceptional service, collaborating with clients, adding value through innovation and building relationships that last. This passion dates back to Ken Brown and Dave Caldwell, who, since founding the company in 1947, stood out for their ability to solve engineering challenges, apply technology to emerging environmental problems, and serve their community. Service, great technical solutions, innovation. These are the qualities our founders carried forward as the world changed and the company grew into what it is today. Now, more than 75 years later, these qualities are just as important – essential, really – to Brown and Caldwell and to our clients.