In the battle against plastic pollution, a Tunisian green tech startup is targeting a critical frontline: the urban gutter. Wayout, a company specializing in sustainable infrastructure, is testing its innovative low-cost steel filtration system, the “Zigofiltre,” in the Tunis suburb of Ettahrir. The mission is straightforward: to intercept plastic waste before it can choke city drains and ultimately flow into the Mediterranean Sea. Ten of these durable steel units, each with an estimated lifespan of 15 years, have been installed across the Cité Ettahrir neighborhood. Their function is akin to…