Most satellites see the Earth in two dimensions. But what if we could measure not just the surface, but the height and volume of what covers it - forests, crops, even infrastructure? That’s the mission of KappaZeta, an Estonian startup building a 3D Synthetic Aperture Radar (SAR) constellation that could transform how we monitor our planet.In this episode, we sit down with Martin Jüssi, Space Mission Manager at KappaZeta, who takes us on a journey from tinkering with map editors in video games to leading a groundbreaking space mission. We unpack how KappaZeta is turning Europe’s Sentinel-1 satellites into a new kind of forest-monitoring powerhouse, why 3D data is the missing piece for carbon markets, and how Estonia built one of the most dynamic space ecosystems in Europe.We also dive into:🌲 How 3D SAR can track forest biomass, carbon stock, and timber resources🛰️ Why KappaZeta’s “passive satellites” are a cost-effective way to enhance Sentinel-1⚡ The dual-use potential: from forestry and agriculture to defense and disaster response🇪🇪 How Estonia went from Skype to space startups - and what’s next

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