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Daily climate technology and sustainability news - Updated: 2025-10-04

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The latest climate technology and sustainability developments on October 4, 2025, highlight significant funding rounds, innovative carbon removal projects, and advancing climate policies:

•Climate Tech Startups & Funding:

Paris-based venture capital firm Serena closed the first close of its fourth flagship fund at €200 million ($215 million), targeting €250 million by 2026. The fund focuses on early-stage investments in applied AI and climate technology, allocating up to €15 million per startup. Serena’s portfolio includes climate risk insurance, sustainable energy, and carbon tech companies, with past portfolio firms raising over €1.5 billion between 2018 and 2024 and combined valuations nearing €5 billion[1].
In Central and Eastern Europe, Greek agri-tech startup Terra Robotics raised €1.8 million to develop laser herbicide solutions, supported by Uni.Fund and other investors[2].

•Clean Energy & Carbon Removal Innovations:

A large-scale biochar carbon removal project was announced in the Netherlands, aiming to sequester carbon through biochar application, a method that converts biomass into stable carbon-rich material for soil enhancement and long-term carbon storage[4].
In the U.S., Ebb Carbon launched a marine carbon removal pilot in Port Angeles, Washington, testing ocean-based carbon sequestration technology to capture and store atmospheric CO2 in marine environments[5].

•ESG Investing & Climate Policy:

While no new ESG-specific policy announcements were detailed today, the ongoing capital commitments by institutional investors into climate tech funds like Serena’s and regional funds in Europe reflect strong ESG investment momentum[1][2].
Additionally, the Czech Republic’s first effective stock option policy, signed into law and effective January 2026, may indirectly support sustainability-focused startups by incentivizing talent retention[2].

•Carbon Impact Metrics:

Although exact carbon impact metrics for these projects were not specified in the latest news, biochar projects typically sequester several tons of CO2 per hectare annually, and marine carbon removal pilots aim to quantify oceanic carbon uptake at pilot scale[4][5]. Serena’s portfolio companies focus on reducing carbon risk and improving energy efficiency, contributing to measurable decarbonization outcomes[1].

These developments illustrate a robust global push in climate tech innovation, combining substantial venture funding, novel carbon removal technologies, and supportive policy frameworks to accelerate the transition to a low-carbon economy.

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