High Tunnel Nectarines and Apricots -- Two Key Questions for Orchard Covering Systems -- Fruit Cracking = Formation of Microcracks + Fruit Swelling from Water Uptake -- Two Types of Cherry Fruit Cracking -- Orchard Covering System Returns-on-Investment -- Protected Tree Fruit Production = Grower-Imposed Climate Change -- Vented (VOEN) Pole-and-Cable Covers -- Europe – Rain-protective Row Covers with Net Side Panels for Insect Control (Spotted Wing Drosophila) -- Chinese structures range from bamboo tunnels to 8+ m high steel greenhouses -- Protected Tree Fruit Production = Grower-Imposed Climate Change -- Retention of Supplemental Heat for Frost Protection -- Covering Systems: Protective Attributes -- Covering Systems: Other Attributes.