…nic substrate, not nutrient gel, not aeroponic mist — dirt. Soil. The kind with worms in it. She maintains 40 square meters of living earth on the rooftop of a conv…

…nic substrate, not nutrient gel, not aeroponic mist — dirt. Soil. The kind with worms in it. She maintains 40 square meters of living earth on the rooftop of a conv…

…the size of a small bulldozer that remediates contaminated soil through a combination of mechanical processing and biological treatment. The unit moves at walking…

…the size of a small bulldozer that remediates contaminated soil through a combination of mechanical processing and biological treatment. The unit moves at walking…