The Evolution of Urban Vertical Farming The rapid growth of the global population, coupled with increasing urbanization, has placed unprecedented strain on traditional agricultural systems. As more people migrate to cities, the distance between food production sites and consumers has widened, leading to increased transportation costs and a larger carbon footprint. In response to these challenges, a revolutionary concept known as vertical farming has emerged, promising to transform city skylines into centers of sustainable food production. Vertical farming involves cultivating crops in stacked layers, often integrated into structures such as skyscrapers, shipping containers, or repurposed warehouses. Unlike traditional farming, which relies heavily on vast tracts of arable land, vertical farming utilizes controlled-environment agriculture (CEA) technology. By precisely manipulating environmental factors such as light, temperature, humidity, and nutrient concentrations, vertical farms can achieve higher yields throughout the year, regardless of external weather conditions. One of the primary benefits of this method is the significant reduction in water consumption. Conventional agriculture is notoriously water-intensive, often losing a substantial amount of its supply to evaporation or soil runoff. Vertical farms, however, employ closed-loop irrigation systems that recirculate water, allowing them to use up to 95 percent less water than traditional field farming. Furthermore, because these facilities are enclosed and strictly monitored, the need for chemical pesticides and herbicides is virtually eliminated, resulting in cleaner and safer produce for urban consumers. Despite its potential, vertical farming is not without its obstacles. The most significant challenge is the high energy requirement. Because plants grown indoors lack access to natural sunlight, they must be illuminated by artificial lighting, typically light-emitting diodes (LEDs). Operating these systems continuously, combined with the energy required for climate control, contributes to substantial operational expenses. Advocates argue that as renewable energy sources become more affordable and lighting technology becomes more efficient, the economic viability of vertical farms will continue to improve. Looking toward the future, the integration of vertical farming into the urban landscape could significantly enhance food security. By creating localized food systems, cities can become more resilient to disruptions in global supply chains. As technology matures, these high-tech farms are expected to become a standard component of sustainable architecture, providing fresh, locally grown food to urban populations while minimizing the environmental impact of long-distance food distribution. Questions 1–6; Short Answer Questions Answer the questions below. Choose no more than two words from the passage for each answer. 1. What kind of technology does vertical farming use to control environmental factors? 2. What do vertical farms use to recirculate water? 3. What is virtually eliminated due to the controlled environment of vertical farms? 4. What is considered the most significant challenge for vertical farming? 5. What type of technology is typically used for artificial lighting? 6. What could vertical farming significantly enhance for urban populations?