ABATEMENT ADEQUATE PRECIPITATION ADVERSE IMPACTS ADVERSE SELECTION AGRICULTURAL ACTIVITIES AGRICULTURAL ECONOMICS AGRICULTURAL OUTPUT AGRICULTURAL PRODUCTION AGRICULTURAL SYSTEMS AGRICULTURE AIR AIR QUALITY ALLOCATION ASYMMETRIC INFORMATION ATMOSPHERE BIODIVERSITY BIODIVERSITY CONSERVATION BIOENERGY BIOMASS BIOMASS ENERGY BIRDS CALCULATION CARBON CAP CARBON CREDITS CARBON DIOXIDE CARBON EMISSIONS CARBON FERTILIZATION CARBON OFFSET CARBON OFFSETS CARBON PRICES