Walls that breathe. Bricks that grow. Cities that finally stop choking. A team of Dutch engineers just pulled off something straight out of science fiction. They built bricks that grow moss. Real, living moss. Spreading across walls like nature is reclaiming the city one square meter at a time. Behind the magic is a Leiden-based startup called Respyre. Their secret? A "bioreceptive" concrete made from 70% recycled material, rough and porous on purpose, designed so moss can cling, thrive, and multiply. Spray on a moss-growing gel. Wait around 12 weeks. Watch a dead concrete wall turn into a living green skin. And the moss isn't just for show. It eats CO₂. It traps nitrogen dioxide. It catches particulate matter floating in city air. It cools entire wall surfaces by 5–7°C during peak summer heat. It buffers noise. It builds tiny habitats for insects and urban wildlife. One square meter of moss can absorb up to 1.2 kg of CO₂ every single year. No roots clawing into the bricks. No structural damage. No irrigation systems. No fertilizer. No fancy maintenance routine. Just rainwater, humidity, and time. From a single square meter of starter moss, Respyre can grow up to 80 square meters of green wall coverage. Pilot projects are already running across the Netherlands. Schools. Apartment blocks in Amsterdam's Rivierenbuurt. Even the bases of wind turbines in collaboration with Dutch energy company Eneco. Imagine a future where every grey building exhales oxygen. Where the walls themselves cool the streets below. Where the city becomes the forest. It's not coming. It's already here. Brick by living brick. Source: Respyre (Leiden, Netherlands) / Positive News / IO+

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🇺🇸🇮🇷 Trump is 'BORED' with Iran war, it's 'taking longer than he expected' — The Atlantic Officials say he wants to move on to domestic politics, trade talks with China, and other national priorities Will Trump end the conflict? Video: March 2026