Startups to Watch This Month: October Series Recap 2023

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 October 2023, 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 over October 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. 

Energy Use in Industry and BuildingS

EchandiaWeek 3

Echandia delivers cutting-edge battery and fuel cell systems for the maritime sector, propelling the industry towards a sustainable future with emission-free solutions for ships and marine vessels.

1S1 EnergyWeek 4

Hydrogen, not Carbon: Affordable green hydrogen enabled by boron based chemistry.

Waste (Water & Landfills)

FreshflowWeek 1

AI-powered food supply chain solutions for retailers. Minimise food waste and maximise your profits.

AeropowderWeek 2

AeroPowder creates sustainable materials from waste feathers. These materials can be used for various applications, including insulation for buildings and packaging materials.

AgainWeek 2

Again is the supply chain infrastructure powering circular packaging. 

CarboNetWeek 2

Accelerating the world’s transition to recycled water: radical and unabashedly transformative, CarboNet will change the way you think about industrial wastewater treatment.

PuraffinityWeek 2

They protect environmental & human health by engineering targeted materials to capture chemicals.

FlexpenserWeek 3

Liquid delivery systems without breaking the seal.

XefcoWeek 4

Xefco develops advanced manufacturing solutions and applies cutting edge materials science with a focus on functional improvements, sustainable manufacturing and reduced resource consumption.

Agriculture, Forestry and Land Use

AberlandWeek 3

Cultivate wheat beyond farming.


Energy use in Transport

Spark e-FuelsWeek 4

Spark e-Fuels is pioneering the future of sustainable aviation with their cutting-edge e-fuels technology.


FurnoWeek 1

They make cement agile, scalable and carbon neutral.

GHG Capture, Use and Storage

AirMyneWeek 1

AirMyne is building a scalable approach to Direct Air Capture. Using DAC to remove large quantities of carbon dioxide from the atmosphere will require pragmatic engineering with a laser-focus on designing processes that are energy-efficient, and can be built using existing supply chains and infrastructural partners.

KitaWeek 1

Kita is a carbon insurance specialist. Their mission is to enable high-quality carbon projects to scale by offering a portfolio of insurance products that reduce carbon risk. Reduced risk in carbon credit transactions leads to greater flows of upfront capital and accelerates the pace of positive climate impact.

PuriFire LabsWeek 3

PuriFire Labs is leading the revolution in green hydrogen and carbon-neutral methanol production, leveraging proprietary technologies to decarbonize global shipping and the chemicals sector.

Cross-cutting enablers

Hydrogen Mem-TechWeek 1

Clean, compact & competitive hydrogen technology.

ClimataWeek 2

Climata helps lenders originate loans and HELOCs for homeowners who will benefit from solar, heat pumps and more.

ClimatizeWeek 3

Climatize is revolutionizing climate investment by democratizing access to clean energy projects. With just a $5 minimum, we’re empowering a new generation of investors to directly contribute to sustainable solutions, combatting greenwashing and making a real difference. 

AirlichWeek 4

Airlich is redefining HVAC solutions with its groundbreaking technology. Drawing inspiration from natural atmospheric processes, their proprietary system not only purifies indoor air to boost health and productivity but also recirculates it, slashing energy costs and carbon footprints.

TuuliWeek 4

By streamlining the discovery and management of sustainable building materials, Tuuli empowers architects, developers, and governments to tap into the flourishing green building market, making eco-conscious decisions swiftly and efficiently.

Find out more about each of these startups by reading the full articles below:

This initiative from Startup Basecamp aims to support founders by giving them access to networking and exposure opportunities that help them to scale and finance their climate tech solutions together with you.

Do you know of other startups we should include in our Startups to Watch Series? Submit to our list!

How do these startups fit in with all the others we have looked at?

Check out our running list of the 400+ climate tech startups to watch we have featured. 


The database is accessible to the members of our community as part of other exclusive content we provide to them. Learn more about the membership options here. 

Do not hesitate to join our collective movement by requesting your membership. 

With care,

The Startup Basecamp Team

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