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Berlin, May 21, 2026 — Senken announces a multi-year carbon removal offtake with Lufthansa Group, Europe's largest airline group, covering three carbon removal methodologies across three continents. The agreement contributes to Lufthansa Group's newly expanded climate portfolio, in which permanent carbon removal now accounts for roughly 20% of the airline group's portfolio, a doubling versus the previous year.
The Senken-facilitated offtake covers three methodologies designed to balance permanence, scale and co-benefits:
- Deep Sky (Direct Air Capture, Canada): engineered, geologically permanent removal of CO₂ from the atmosphere.
- Exomad Green (Industrial Biochar, Bolivia): durable carbon storage in stable biochar produced from sustainably sourced forestry residues at one of the world's largest biochar facilities, with prior offtakes by Microsoft and Swiss Re.
- Klim (Regenerative Agriculture, Germany): regenerative agriculture carbon removal across European farmland.
The shift behind the deal
Lufthansa Group's newly published portfolio is one of the most consequential moves in European aviation in recent years. The airline group has roughly doubled the share of projects that remove carbon permanently, including industrial biochar and Direct Air Capture and Storage (DACCS), and lowered the share of avoidance credits. Lufthansa Group has explicitly named DACCS as a strategic priority, and customer contributions across the full 14-project portfolio exceeded 710,000 tonnes of CO₂ in 2025, up roughly 20% year-on-year.
The signal extends beyond any single airline. It reflects a broader market shift toward higher-integrity, evidence-led portfolios, one that follows the Oxford Principles' guidance of balancing nature- and technology-based solutions for both co-benefits and permanence, and moves away from single-category, low-quality avoidance. Lufthansa Group is also among the first European aviation groups to publish its full project portfolio transparently, setting a standard for portfolio disclosure that is still rare in the industry.
"Climate protection projects, which complement our own emission reduction measures, are an important building block on the path to more sustainable aviation and the achievement of our climate goals."
— Nina Sproedt, Sustainability Lead, Lufthansa Group
Why Senken
Within Lufthansa Group's portfolio, Senken plays a distinctive role as a multi-methodology curator. Every credit Senken procures is assessed through the Sustainability Integrity Index (SII), Senken's proprietary 600+ data-point review covering five stages: project fundamentals, carbon impact, beyond-carbon co-benefits, reporting process, and compliance with ICVCM, CSRD and SBTi. Less than 5% of carbon credit projects pass the SII review.
Aviation is one of the most demanding sectors for climate integrity, and Lufthansa Group is among the first European airline groups to respond with full transparency, publishing its complete project portfolio, doubling the share of permanent removals, and combining engineered with nature-based solutions in line with the Oxford Principles. We're proud to contribute three distinct methodologies to that portfolio.
— Adrian Wons, CEO, Senken
Partner statements
Exomad Green:
"Aviation moving toward durable, permanent carbon removal is the clearest signal yet of where credible climate strategies are heading."
— Diego Justiniano, CEO, Exomad Green
Deep Sky:
"Direct Air Capture scales when anchor offtakers commit long-term. Lufthansa Group's multi-year agreement is exactly the kind of demand signal aviation needs to put behind permanent removal."
— Alex Petre, CEO, Deep Sky
Klim:
"Our mission is to make regenerative agriculture scalable and accessible for farmers across Europe. Through our partnership with Senken, farmers gain reliable new revenue streams by connecting directly with companies seeking high-quality carbon removals, helping build more resilient agricultural systems. Strong demand for credits from German farms shows this model is working."
— Robert Gerlach, Founder & CEO, Klim
If you are interested in procuring high-quality carbon removals for your company, get in touch with Senken via senken.io/contact.
