Otherwise, the human population is

Otherwise, the human population is growing exponentially and increasingly more urban while the global food supply is decreasing, to expend the green space and explore the economized agriculture planting pattern, many countries are planning to build the vertical farm in the center of city. For example, a housing and commercial complex project was designed for Dallas downtown by Portuguese atelier DATA and MOOVMay, 2010 (Fig. 2.) , and the Pyramid farm is another incredible concept for the future of agriculture envisioned by professors Eric Ellingsen and Dickson Despommier (Fig. 3.), its design is based on the growing belief that vertical farming will soon become a necessary lifeline in cities throughout the world, the PyramidFarm offers a solution in the form of a complete self-sufficient ecosystem that covers everything from food production to waste management .