Controlled-environment agriculture is a way of growing food crops in an area that is controlled and monitored to provide the best growing conditions. This means that the temperature, sunlight, humidity, and other growing conditions are carefully managed. In some cases, like greenhouses, the environment is completely enclosed so all the elements needed for a successful crop, like water and soil, can be easily managed. In other cases, the elements needed to grow a crop, such as water and soil, are provided from outside the controlled space. By controlling the environment, farmers can grow food with fewer pests and weeds and can even grow it year-round!