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Climate & Sustainability startups

Startups attacking emissions, waste and materials at the point where a product is designed, not offset after the fact.

34 articles · Updated 20 October 2025

What counts as Climate & Sustainability

Climate and sustainability covers startups attacking emissions, waste and materials at the point where a product is designed rather than offsetting them afterwards. On this hub that means circular materials and waste recovery, soil and agriculture, energy and alternative fuel, conservation technology, and the measurement software that decides whether any of it can be claimed.

Designed out, not offset

The companies here have one thing in common: they intervene early. Almost none of them sell offsets. They change the material, the fuel, the farming method or the measurement - which is also why the hub reads as five separate industries.

Waste is a feedstock

The circular cluster is the most vivid. CasuallyLoaded takes the lithium-ion cells out of discarded vapes and builds rechargeable powerbanks from them. Re-Fresh Global does the same trick with textile waste, and Tradion builds grid storage and EV charging out of second-life batteries. Primal Soles starts one step earlier, designing footwear that can be returned to the loop at all.

The unglamorous products matter most

Twipes makes wet wipes that are genuinely flushable, which sounds trivial until you read what non-flushable ones do to a sewer. Packhelp works on packaging, the single most visible waste stream in e-commerce, and Cleanlots turns litter collection into a viable business rather than a volunteer activity.

Agriculture, from the soil up

Biome Makers connects soil biology to what a farmer actually decides to do, and ClearLeaf replaces conventional crop protection with an organic certified alternative. Agro.Club works further along the chain on the grain trade itself, and Farmer Focus rebuilds the economics of chicken farming around the farmers.

Fuel is the hardest problem here

Amogy is the most technically ambitious company on the hub, building a carbon-free energy system that runs on ammonia. Outbound works at the other end of the scale, putting shared EVs inside the buildings people already live in, and Kucher ECO took electric bikes from occasional sales to a substantial business.

The paperwork became the product

Finally, the reporting layer. Sustainability claims now have to survive an audit, and ESG Flo, BeCause and Enmon all sell into that obligation. Merge Impact is the most pointed of them, treating unverifiable claims as the problem to be solved.

Climate and sustainability startups we have profiled, by where they intervene
CompanyWhat it doesWhere it acts
Amogy Carbon-free energy system using ammonia as a renewable fuel with higher energy density.Energy and fuel
Tradion Energy storage and EV charging as a service, built on second-life batteries.Energy and fuel
Outbound Installs on-demand shared electric vehicles inside residential and commercial buildings.Energy and fuel
Colite Technologies Sustainable energy systems cutting energy use and emissions for commercial and industrial sites.Energy and fuel
Primal Soles Fully circular and biodegradable footwear components built through material science.Circular materials
Re-Fresh Global Recycles textile waste into new materials, founded by Viktoria Kanar and Revital Nadiv-Zivan.Circular materials
CasuallyLoaded Rebuilds discarded vape lithium-ion batteries into rechargeable powerbanks.Circular materials
Twipes Genuinely flushable, biodegradable and plastic-free wet wipes, aimed at sewer blockages.Circular materials
Packhelp Warsaw-based platform making bespoke sustainable packaging accessible to brands of any size.Circular materials
Biome Makers Connects soil biology to agricultural decisions through its BeCrop technology.Agriculture
ClearLeaf Organic certified fungicide and bactericide for crop protection, sold as GotaBlanca.Agriculture
Agro.Club Digitises the grain trade across European, South American and North American agricultural hubs.Agriculture
Farmer Focus Organic and humane-certified chicken company founded by a sixth-generation farmer.Agriculture
ESG Flo Produces audit-ready ESG metrics automatically from raw PDFs, spreadsheets and systems.Measurement
BeCause Makes sustainability data flow faster and cheaper between businesses that need to report it.Measurement
Merge Impact Simplifies field-level measurement so brands can substantiate their climate claims.Measurement
Enmon Energy and sustainability management combining software, hardware and real-time data.Measurement
Wildlife Drones The first drone-based VHF radio-tracking system for wildlife conservation.Conservation
AquiSense Technologies UV-C LED water disinfection systems, brought to the Australian market.Conservation
Canopey Marketplace bringing verified sustainable brands into one shopping journey.Consumer

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Frequently asked questions

What kinds of climate startups does this hub cover?

Five recurring groups - circular materials and waste recovery, agriculture and soil, energy and alternative fuel, conservation technology, and the measurement and ESG software that decides what a company is allowed to claim. Consumer-facing sustainable shopping is a smaller sixth.

Why is measurement such a large part of this hub?

Because reporting obligations turned sustainability into a data problem. ESG Flo produces audit-ready metrics from raw documents, BeCause moves sustainability data between the parties who need it, Enmon covers energy data specifically, and Merge Impact exists explicitly to make climate claims verifiable rather than rhetorical.

Are any of these companies working on greenwashing directly?

Merge Impact is the most explicit - it works on field-level measurement so brands can substantiate what they say. Zestain approaches the same trust problem from the other end, as a resource hub for companies committed to zero-waste practice.

What is the most technically ambitious company here?

Amogy is the clearest example. It is building a carbon-free energy system that uses ammonia as a renewable fuel, arguing from ammonia's higher energy density compared with the alternatives - a materially harder problem than most software on this hub.

Is there anything about waste that already exists?

That is one of the strongest threads. CasuallyLoaded rebuilds discarded vape batteries into powerbanks, Re-Fresh Global turns textile waste into new materials, Tradion builds storage from second-life batteries, and Twipes attacks plastic in a product most people never think about.