Every week, we feature 5 incredible climate tech startups, companies, or projects that are leading the fight against the climate crisis. Now at the end of this month of March 2025, we provide a recap of the startups to watch in climate tech.
These startups have covered a range of fast-growing industries such as AI, GHG Capture and monitoring, Energy production and storage, Fintech, Foodtech, Agtech, and much, much more.The list below is a recap of all the startups we have featured in March with some insight into the innovative work they and their teams are doing.
We hope you find this resource useful and that you can refer back to it anytime you are looking for companies to support, invest in, work for, or collaborate with.
These startups are all added to our running list, which we have categorized based off of fuel emission sector from the most detailed, recent data SBC could identify from the World Resource Institute 2016.
These sectors are as follows:
Energy
Enzinc – Week 1
Enzinc is developing the next generation of safe, powerful, and efficient batteries by unlocking the potential of zinc-based energy storage. Utilizing cutting-edge nanotechnology, Enzinc’s rechargeable zinc-air batteries outperform traditional lead-acid and lithium-based alternatives, offering superior energy density, enhanced safety, and scalable manufacturing solutions for mobility, grid storage, and microgrids.
Valar Atomics – Week 1
Valar Atomics is unlocking the next generation of abundant, grid-independent nuclear energy. By developing high-volume, scalable nuclear reactors, the company is making nuclear power the most cost-effective and reliable energy source in the world. With a focus on manufacturing excellence, Valar Atomics is poised to drive the new atomic age.
Renaissance Fusion – Week 2
Renaissance Fusion is a European nuclear fusion startup pioneering the commercialization of stellarators—the most efficient, stable, and steady fusion reactors. By simplifying stellarator construction through directly patterned high-temperature superconducting (HTS) magnets and liquid metal shielding, the company aims to bring fusion energy to the grid and make fusion electricity cheap, clean, and scalable.
Exowatt– Week 2
Exowatt is a next-generation renewable energy company delivering a modular, full-stack solution that provides dispatchable power and heat for up to 24 hours a day. Purpose-built for energy-intensive industries like data centers, Exowatt enables reliable, cost-effective, and sustainable energy—anytime, anywhere.
Startgate Hydrogen – Week 3
Stargate Hydrogen is accelerating the adoption of green hydrogen by making electrolysis more efficient and affordable for heavy industries like steel, fertilizers, and chemicals. Founded in 2021, the company combines novel ceramic catalysts and patented stack design to create high-performance, cost-effective electrolysers.
Spotmyenergy – Week 3
Spotmyenergy is transforming the way homes and businesses manage electricity by combining smart metering, energy trading, and dynamic pricing into a single, user-friendly platform. Acting as both a metering point operator and electricity trader, Spotmyenergy empowers users to optimize consumption, generation, and trading of energy, unlocking energy independence and cost savings.
Withthegrid – Week 4
Withthegrid provides real-time monitoring and control technology to make energy infrastructure smarter, more flexible, and ready for a renewable future. Their platform helps grid operators and asset owners digitize operations, optimize asset performance, and unlock grid flexibility at scale.
Glimpse – Week 4
Glimpse is building the world’s most powerful battery quality monitoring platform, combining real-time insights, collaborative tools, and digital records to ensure the reliability of battery production at gigawatt-hour scale. Their advanced use of X-ray computed tomography (CT) enables early detection of latent defects—bringing unprecedented transparency and accountability to battery manufacturing.
Transportation
Kwetta – Week 1
Kwetta is revolutionizing the future of electrification with grid-first EV charging solutions that enable the rapid deployment of high-powered chargers without costly grid upgrades. Founded in New Zealand in 2021, the company combines cutting-edge technology and grid infrastructure expertise to accelerate the transition to sustainable transport.
Chemix – Week 2
Chemix is revolutionizing EV battery development by leveraging AI to accelerate material discovery and optimization, reducing development time by 10x compared to conventional methods. With AI-driven design, Chemix is pioneering sustainable, high-performance battery chemistries that eliminate cobalt and, ultimately, reduce dependence on nickel and lithium—all while maintaining seamless compatibility with existing Li-ion battery manufacturing capacity.
Industry
Karman Industries – Week 1
Karman Industries is revolutionizing industrial heat by electrifying thermal energy use, enabling manufacturers to cut costs and eliminate onsite Scope 1 emissions. Its breakthrough product, Thermal01, is the first-of-its-kind electric heat pump designed to replace natural gas-powered industrial heating, offering a scalable and cost-effective solution for global enterprises.
Claros Technology – Week 2
Claros Technologies is a cutting-edge materials and environmental tech company delivering continuous, high-efficiency destruction of PFAS in water and wastewater. With advanced analytical services and sustainable functional materials, Claros is engineering circular economy solutions that tackle today’s toughest environmental challenges.
ReSource Chemical – Week 3
Resource Chemical is transforming the plastic industry by creating high-performance plastics from CO₂ and inedible biomass. With cutting-edge technology, the company delivers cost-competitive, sustainable alternatives that match or surpass the performance of traditional plastics—without the environmental cost.
Tereform – Week 4
Tereform is decarbonizing chemical manufacturing by transforming textile waste into high-purity chemical building blocks through novel molecular recycling. Their technology enables true textile-to-textile circularity—turning end-of-life fabrics into the very materials needed to create new ones, without relying on fossil fuels.
C1 Green Chemicals – Week 4
C1 Green Chemicals is reinventing chemical production through quantum-chemistry innovation. Its proprietary methanol catalysis technology enables the production of green methanol from non-fossil feedstocks—creating a faster, more scalable path toward sustainable chemical manufacturing and alternative fuels.
Food, Agriculture and Land Use
Vivici – Week 1
Vivici is revolutionizing dairy protein production through precision fermentation, creating high-quality, functional, and sustainable dairy proteins with significantly less environmental impact. By making fermentation-based dairy commercially viable, Vivici provides food and beverage companies with a scalable, ethical, and superior alternative to traditional dairy proteins.
Avalo – Week 2
Avalo is revolutionizing plant breeding through its AI-powered Rapid Evolution™ platform, creating more resilient, sustainable, and profitable crops faster and more affordably than traditional methods. By blending natural diversity with cutting-edge machine learning, Avalo is accelerating agriculture’s ability to adapt to climate change and meet global food demands.
Novameat – Week 3
Novameat is reinventing the future of food through authentic, plant-based meats that prioritize nutrition, sustainability, and culinary delight. Using proprietary texturizing technology, Novameat delivers protein-packed, soy-free, and gluten-free alternatives that offer the taste, texture, and bite of real meat—without the environmental cost.
GigaCorp – Week 4
GigaCrop is reinventing photosynthesis by engineering seeds with enhanced efficiency, enabling plants to grow faster and more abundantly. Their breakthrough biotech targets key enzymatic bottlenecks to unlock unprecedented productivity in agriculture—powering the future of food, fiber, and fuel.
Buildings
Augmenta – Week 3
Augmenta is transforming the construction industry with AI-powered software that automates building design, starting with electrical systems. Their cloud-based platform, the Augmenta Construction Platform (ACP), enables VDC and BIM teams to create fully coordinated, clash-free electrical conduit designs in hours instead of weeks.
Find out more about each of these startups by reading the full articles below:
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With care,
The Startup Basecamp Team
