Six Web3 + ClimateTech startups worth pay close attention

In this article, we will explores six innovative startups that are merging technology, particularly blockchain, with environmental conservation efforts. Each startup presents a unique approach to sustainability and carbon offsetting:

1. Single.Earth (Estonia)

Approach: Uses blockchain technology to monetize conservation efforts. They issue tokens as rewards for the carbon sequestration capacity of forests and natural resources.


– Innovative use of blockchain for environmental conservation.

– Provides a direct financial incentive for preserving natural habitats.


– Dependence on accurate measurement and verification of carbon capture.

– The market for their tokens may be volatile and uncertain.

2. JustCarbon (London)

Approach: Developed a blockchain-based platform for trading carbon credits, focusing on nature-based carbon removal.


– Facilitates access to carbon credit markets.

– Promotes nature-based solutions to carbon offsetting.


– The effectiveness of carbon credits as a tool for genuine environmental impact is debated.

– Risk of market manipulation and transparency issues in carbon trading.

3. Senken (Berlin)

Approach: Offers an open marketplace for on-chain carbon credits, focusing on enhancing credibility and transparency in the voluntary carbon market.


– Addresses the need for transparency in carbon credit transactions.

– Could improve trust and participation in the voluntary carbon market.


– The platform’s success depends on widespread adoption and trust from market participants.

– Challenges in standardizing and verifying the quality of carbon credits.

4. Twig (London)

Approach: Integrates principles of the circular economy and Web3 technology, allowing users to trade in items for instant cash, cryptocurrencies, or NFTs.


– Encourages recycling and reuse, promoting sustainability.

– Innovative blending of circular economy with modern digital finance tools.


– Relies on consumer participation and behavior change.

– Market for NFTs and cryptocurrencies is highly volatile.

5. Coorest (Estonia)

Approach: Operates a decentralized marketplace for CO2 footprint offsetting and sells NFTrees, representing real trees planted for CO2 offsetting.


– Direct and tangible link between NFTs and environmental action.

– Innovative approach to funding reforestation and conservation efforts.


– Dependence on the effective and transparent management of tree planting and care.

– NFT market volatility and environmental concerns regarding blockchain technology.


Approach: Aims to make environmental contributions affordable through a carbon-offsetting ecosystem connecting global retail brands with socially responsible individuals and businesses.


– Broadens the appeal of carbon offsetting to a wider audience.

– Creates a direct connection between consumer behavior and environmental impact.


– Success depends on the participation of both retailers and consumers.

– Carbon offsetting effectiveness and the real impact of such initiatives can be challenging to measure.



In summary, these startups are at the intersection of technology and environmental conservation, each with unique approaches to leveraging blockchain and digital marketplaces for sustainability. Their success and impact will largely depend on market adoption, the effectiveness and transparency of their models, and the broader acceptance and regulation of blockchain-based environmental initiatives.

© 2024, former International Consensus Association