TECHNOLOGY FOCUS - ENVIRONMENT - Preferred Method: The separated biological solids are dried or processed prior to utilization in the biofuel production system. The processed biological solids are dried to greater than 20% solids. The separation involves segregating the biological solids into at least one component containing a preponderance of one of cellulosic solids, hemicellulosic solids, and lignin materials, and at least one other component. The method further involves transporting the dried organic solids to a biofuel production facility; and utilizing the heat energy in at least one of a biofuel production facility, an animal production facility, and an environmental management facility. The converting of the dried organic wastes involves combustion of the organic waste. The drying of the separated organic waste involves use of heat from the combustion. The method further involves production of spirits through a dry milling fermentation process utilizing corn grains and heat from the combustion. The production of spirits involves the production of wet distillers grains. At least a portion of the fermentation byproducts from the biofuel production facility is utilized in the animal production facility. The biofuel production facility produces a spirit through distillation of fermentation liquor creating wet distillers grains. The spirit is ethanol, butanol or biodiesel. At least a portion (preferably all) of the wet distillers grains is fed to the animals as rations. The heat energy is in the form of high grade heat energy or low grade heat energy. The utilization involves the use of the heat energy for at least one of the distillation process, the drying of biological solids, and heating the biofuel production facility's fermentation liquid and process. The dried solids are utilized as bedding in the animal production facility for the animals. At least a portion of the fermentation byproducts from the biofuel production facility is utilized in the animal production facility. Preferred System: The system (S1) further comprises the utilization of the heat energy in the animal production facility that involves the use of the heat energy for at least one of the drying of biological solids, heating the animal production facility during cold weather, and heating of biological processing components. The system (S1) further comprises a soil crop facility from which output from the environmental management facility is applied for uptake of water and processing of nutrients on agriculturally productive land and a food and commercial products facility producing at least one of a food and a commercial product. The system (S1) further comprises at least one soil crop facility such that an effluent from the environmental management facility is applied for uptake of water and processing of nutrients on agriculturally productive land and comprises at least one food and commercial products facility producing at least one of a food and a commercial product. Alternatively the system (S1) comprises the biofuel production facility producing energy products from fermentable substrates through a fermentation process; at least two animal production facilities; at least two environmental management facilities, each comprising a component to process waste from at least one of the at least two animal production facilities and the biofuel production facility; and at least two energy conversion facilities. At least one of biological solids from at least one of the at least two environmental management facilities and biogas containing methane from at least one of the at least two environmental management facilities are converted into usable forms of heat energy. The heat energy is utilized in the biofuel facility. The animal production facility comprises a Confined Animal Feeding Operations (CAFOs) with a herd concentration of greater than 3 (preferably greater than 20) cows per acre of land. EXAMPLE - None given.