Phoenix New Times:  “So why grow pot indoors, particularly legal pot? Why not stick it in a field and rely on the strong Arizona sun? Arizona’s medical marijuana law and local ordinances stress the importance of security and discretion, making indoor growing an easy sell to regulators worried about public perception. But there’s another option: the greenhouse, a cross between indoor and outdoor growing that relies in large part on the sun. The energy savings associated with growing cannabis in greenhouses are undeniable,”