NOVELTY - Biorefinery system comprises (a) (i) photobioreactor system (104), (ii) anaerobic bioreactor system (106), and (iii) enclosure containing at least portion of the photobioreactor system and at least portion of the anaerobic bioreactor system, where the enclosure has an environment for growing plant life, or (b) (i) biomass pyrolysis device (102) configured to consume cellulosic biomass to produce exhaust gases, and (ii) photobioreactor system configured to consume exhaust gases from biomass pyrolysis device to grow algal colony.    USE - The biorefinery system is useful for sequestering exhaust greenhouse gases to produce energy and promoting algal growth. The algae are used for producing one or more products chosen from organic carbon, methane, carbon dioxide, hydrogen and fertilizer (all claimed).    ADVANTAGE - The biorefinery system is cost-effective, environmentally-friendly and reliable, completely utilizes waste products, and sequesters greenhouse gases and hence increases soil viability and remediates water supply.    DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following:    (1) method (M1) of growing plant life in greenhouse system, involves (a) forming an enclosure, where at least portion of the enclosure is configured for receiving solar energy, (b) disposing at least portion of photobioreactor system in the enclosure, and (c) disposing at least portion of anaerobic bioreactor system in the enclosure;    (2) photobioreactor system for growing algal colony, comprising (a) source of exhaust gas, (b) raceway system including several raceways configured to consume the exhaust gas to grow an algal colony, and (c) valve system for draining the algal colony from at least one of the raceways, where each of the several raceways is positioned to be adjacent to the valve system;    (3) method (M2) of growing algal colony, involves (a) providing photobioreactor system having raceway system including several raceways, (b) delivering exhaust gas to the algal colony, and (c) draining the algal colony using a valve system after the algal colony reaches a predetermined colony density, where each of the several raceways is positioned to be adjacent to the valve system;    (4) method (M3) of sequestering carbon dioxide, involves (a) obtaining carbon dioxide from a biomass pyrolysis system, and (b) directing the carbon dioxide to an algal colony for consumption;    (5) soil regeneration product comprising (in %) (a) carbon and nitrogen in a ratio of 2:1-40:1, and (b) potassium (0.5-7) or second component chosen from potassium (0.5-7), sulfate (0.15-1.3), calcium (0.5-6.8), manganese (100-350 mg/l), nitrogen (0.4-2), phosphorus (0.4-1.5), sodium (0.5-18), zinc (84-233.1 mg/l), iron (600-2500 mg/l), boron (5-150 mg/l), and their combinations;    (6) method (M4) of remediating water, involves (a) generating organic carbon product using biomass pyrolysis device, and (b) filtering water containing a first level impurities using the organic carbon product to produce water containing a second level of impurities, where the second level of impurities is less than the first level of impurities; and    (7) control system for biorefinery system comprising (a) biological process, and (b) several of autonomous agents for controlling several components in the biorefinery system, where one of the several autonomous agents is a governing agent.    DESCRIPTION OF DRAWING(S) - The drawing shows schematic view of biorefinery system.    Biorefinery system (100)    Biomass pyrolysis device (102)    Photobioreactor system (104)    Anaerobic bioreactor system (106)    Energy conservation system (108)    Greenhouse system (110)