Controlled environment agriculture (CEA) is a sustainable approach that uses shipping containers to maximize space utilization and reduce water usage. These containers offer a controlled environment, similar to that of a greenhouse, so farmers can grow crops year-round regardless of external weather conditions.

Upcycled or refurbished shipping containers with an open-top are great for building small-scale sustainable gardens. You can use these units to create commercial-scale farms. You can utilize the rooftop and walls of a 20 or 40-foot unit to grow food and install systems needed to supply water, nutrients, and electricity.