Startup uses LEDs to grow plants in shipping containers

After 40 years growing plants — running nurseries in Thailand and managing landscape projects in Vietnam — Glenn Behrman was ready to retire. Then the New York native discovered sunless vertical farming, which means growing plants indoors and nourishing them with LED lights. With no plan, no design and no business yet, he moved back to the U.S. and went to work building a controlled environment inside a shipping container.