18 Fast-Growing Climate Tech Startups to Watch in 2024

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As the world becomes increasingly more conscious of the impact that human activity has on climate change, the demand for innovative and sustainable technology solutions increases. This is great news for entrepreneurs, as there has never been a better time to start a climate tech startup. 

We’ll highlight some of the most promising climate tech startups to watch. These companies are attracting significant funding from investors and are poised to make a big impact in the industry. 

Learn how to launch your own company by reading our comprehensive guide on how to start a startup.

Innovative Climate Tech Startups

Every year, new startups pull to the forefront of their industry through exciting innovation and industry-disrupting business models. We’ve rounded up the best climate tech startups of 2024 that startup lovers, investors, and aspiring entrepreneurs should follow.

Disclaimer: With so many exciting startups launching and growing worldwide, we aren’t able to cover them all. Furthermore, the startups that are listed below are not officially ranked and are listed in no particular order.

1. ZeroAvia

  • Location: Hollister, California
  • Founders: Val Miftakhov
  • Founded In: 2017
  • Funding: Series B, $140 Million
  • Investors Include: AP Ventures, Climate Pledge Fund

ZeroAvia is looking to change the aviation industry by changing out the engines in traditional planes for hydrogen-electric powertrains. The planes are able to seat anywhere from 20 people on a regional trip to over 100 seats on long-distance flights. ZeroAvia is enabling airlines to scale sustainable flights with their innovative engines. Traditional aviation is the fastest-growing source of greenhouse gas emissions, and ZeroAvia is changing the future of climate-friendly travel.

2. Pachama

  • Location: San Francisco, California
  • Founders: Diego Saez-Gil, Tomás Aftalion
  • Founded In: 2018
  • Funding: Series B, $79.3 Million
  • Investors Include: Plus Capital, Oreilly Alpha Tech Ventures

Pachama is using the power of remote sensing and AI to capture carbon in the earth's atmosphere in order to protect forests and natural habitats. Brands are able to purchase carbon credits for their organization and receive guidance on carbon markets, project portfolios, and more.

3. AMP Robotics

  • Location: Louisville, Colorado
  • Founders: James Bailey, Matanya Horowitz
  • Founded In: 2014
  • Funding: Series C, $167.1 Million
  • Investors Include: Valor Equity Partners, Sidewalk Infrastructure Partners

AMP Robotics looks to tackle the climate issue in the world by developing AI, robotics, and infrastructure to handle excess waste and recycle products. The technology is able to identify and recover recyclables with an improved speed and precision that has not been used in the industry.

4. Northvolt

  • Location: Stockholm, Sweden
  • Founders: Paolo Cerruti, Peter Carlsson
  • Founded In: 2016
  • Funding: Series Unknown, $7.1 Billion
  • Investors Include:  Olympia Group, Swedbank Robur

Northvolt works on developing lithium-ion batteries that are eco-friendly. Its mission is to lower the carbon footprint by as much as 80% compared to batteries made with coal energy. The company also does work to power its factories with clean energy.

5. Redwood Materials

  • Location: Carson City, Nevada
  • Founders: JB Straubel
  • Founded In: 2017
  • Funding: Debt Financing, $2.8 Billion
  • Investors Include: Valor Equity Partners, Emerson Collective

Redwood Materials is attempting to transform the battery supply chain by providing a large-scale source of domestic anode and cathode materials. The materials are produced from recycled batteries and should have an output of 1 million EVs a year.

Feeling inspired? Learn how to launch your company with our guide on how to start a startup.

6. Universal Hydrogen

  • Location: Venice, California
  • Founders: Jason Chua, John-Paul Clarke, Jon Gordon, Paul Eremenko
  • Founded In: 2020
  • Funding: Corporate Round, $82.5 Million
  • Investors Include: Playground Global, Toyota Ventures

Hydrogen-fueled flight for commercial airlines is a near reality thanks to companies like Universal Hydrogen. The company looks to create a carbon-free flight possible for everyone and meet the Paris Agreement trajectory. Hydrogen is the only zero-carbon fuel as it is made from water and will help Universal Hydrogen change the aviation industry.

7. Form Energy

  • Location: Somerville, Massachusetts
  • Founders: Marco Ferrara, Mateo Jaramillo, Ted Wiley, William Woodford, Yet-Ming Chiang
  • Founded In: 2017
  • Funding: Grant, $923.8 Million
  • Investors Include: Prelude Ventures, Macquarie Capital

Form Energy is developing technology that could lead to a fully-renewable electric grid all year round. The company is doing this by creating a new class of cost-effective energy storage systems that is multi-day. Their battery tech reforms the global electric system to run completely on low-cost renewable energy.

Explore more innovative renewable energy startups.

8. Power Ledger

  • Location: Perth,  Australia
  • Founders: Dave Martin, Gov van Ek, Jemma Green, Jenni Conroy, John Bulich
  • Founded In: 2016
  • Funding: Grant, $35 Million
  • Investors Include: Fundamental Labs, Bill Tai

Power Ledger is taking energy and developing a series of applications using the blockchain to help renew and restore the energy marketplace. The applications are software solutions that track, trace, and trade renewable energy. As a result, households, organizations, and even the grid can all trade freely using the platform.

9. Greyparrot

  • Location: London, United Kingdom
  • Founders: Ambarish Mitra, Marco Paladini, Mikela Druckman, Nikola Sivacki
  • Founded In: 2019
  • Funding: Series Unknown, $17.5 Million
  • Investors Include: Unreasonable Group, Una Terra

Another company tackling the waste issue, Greyparrot uses AI to automate waste composition analysis for sorting facilities. The system is implemented globally on moving conveyor belts in order to help monitor, analyze, and sort the large waste flows.

10. FreeWire Technologies

  • Location: Newark, California
  • Founders: Arcady Sosinov, Jawann Swislow, Luv Kothari, Rich Steele, Sanat Kamal Bahl
  • Founded In: 2014
  • Funding: Series D, $230.2 Million
  • Investors Include: California Innovation Fund, Blue Bear Capital

FreeWire Technologies is developing ultrafast electric vehicle charging stations that also watch out for the impact it has on the grid. The machines are able to scale quickly to meet the needs of an EV-powered future while working with utilities to make sure they're providing clean energy.

Check out more innovative EV startups.

11. Aurora Solar

  • Location: San Francisco, California
  • Founders: Christopher Hopper, Samuel Adeyemo
  • Founded In: 2013
  • Funding: Series D, $523.5 Million
  • Investors Include: Emerson Collective, Energize Ventures

Using aerial imagery, Aurora Solar is able to assess solar installation projects in real time. Using the technology, clients are able to get accurate solar designs without the need to visit sites. Clients will be able to save time and money during the quoting process. Proposals are able to be personalized and permit-quality accuracy is still maintained.

12. Freyr Battery

  • Location: Mo I Rana, Norway
  • Founders: Tom Einar Rysst-Jensen
  • Founded In: 2018
  • Funding: Post-IPO Equity, $869.1 Million
  • Investors Include: Fidelity Management Company, Glencore

Norway is benefiting from decarbonized transportation and energy systems thanks to Freyr Battery. The company combines 32+2 GWh lithium-ion battery facility with a 600MW onshore wind-park in the municipalities of Rana and Nesna. Freyr is able to offer competitive cells for ESS applications while also surpassing industry standards.

13. Volta Trucks

  • Location: Sigtuna, Sweden
  • Founders: Carl-Magnus Norden, Kjell Walöen
  • Founded In: 2019
  • Funding: Series C, $390.9 Million
  • Investors Include: Agility, Waypoint Capital

Volta Trucks creates electric trucks for sustainable cities and revolutionizes last-mile logistics. The trucks are safer and more sustainable and protect vulnerable road users and improve all city center environments. The power trains are zero-emission and eliminate any harmful pollution into the atmosphere.

14. 1KOMMA5°

  • Location: Hamburg, Germany
  • Founders: Jannik Schall, Micha Grueber, Michael Hinderer, Philip Liesenfeld, Philipp Schröder
  • Founded In: 2021
  • Funding: €200 Million
  • Investors Include: Norrsken Foundation, Eurazeo

1KOMMA5° develops networked energy systems for your home that contain a photovoltaic system with electricity storage. Homes will also get a heat pump and wall box to become completely independent of electricity costs and fossil fuels. By investing upfront, homes will enjoy up to 80% self-sufficiency using modern technologies.

15. Invaio Sciences

  • Location: Cambridge, Massachusetts
  • Founders: Dr. Iya Khalil, Dr. Pietro Antonio Tataranni, Ena Cratsenburg, Gerardo Ramos, Ignacio Martinez, Maier Avendaño, Robert Berendes
  • Founded In: 2018
  • Funding: Debt Financing, $138.9 Million
  • Investors Include: K2 HealthVentures, Alexandria Venture Investments

Invaio Sciences helps to build new technologies that handle problems in agriculture, nutrition, and the environment. The company looks to nature to understand the physiology of insects to create products that can benefit agriculture and get rid of harmful pests.

16. Weishi Energy

  • Location: Hebei, China
  • Founders: N/A
  • Founded In: 2019
  • Funding: Series B, $1.5 Billion
  • Investors Include: CMG-SDIC Capital Management

Weishi Energy is a sustainable company that develops hydrogen fuel cells for the economy. The company distributes significant amounts of resources to research, develop, and produce hydrogen storage systems, fuel cell engines, and fuel cell stacks.

17. H2Pro

  • Location: Caesarea, Israel
  • Founders: Hen Dotan, Talmon Marco
  • Founded In: 2019
  • Funding: Series Unknown
  • Investors Include: Horizons Ventures, Extantia Capital

H2Pro is an energy company producing renewable, efficient, green hydrogen production methods known as E-TAC. The method works by splitting water that is over 95% safe, efficient, and cost-competitive with fossil-fuel hydrogen.

Discover more innovative Israeli startups.

18. Climavision

  • Location: Louisville, Kentucky
  • Founders: Chris Goode
  • Founded In: 2020
  • Funding: Series A, $100 Million
  • Investors Include: The Rise Fund

Climavision is working on climate regeneration by developing high-resolution weather radar and satellite networks that have advanced weather prediction modeling. The models will give people an understanding of what's happening in the present so they can prepare for the future of a climate-changing world.

Recommended: Check out our full list of the top startups to watch!

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