Introduction to aging in Bio-composites.- Effect of water absorption on the tensile, flexural and impact properties of Bio-composites.- Effect of moisture absorption on shear properties of the bio-composites.- Fatigue life prediction of bio-composites subjected to environmental aging.- Aging effects on creep properties of the bio-composites.- Degradation effects and response of completely biodegradable composites to moisture absorption and water aging.- Influence of sea water aging on the physical and mechanical properties of the natural fiber reinforced composites8. Hygrothermal aging and their influence on mechanical properties of the bio-composites.- Degradation effects on the mechanical and thermal properties of the bio-composites due to accelerated weathering.- Effects of natural weathering on aesthetics, thermal and mechanical properties of the bio-composites.- Influence of moisture absorption on the physical and mechanical properties of the natural fiber based hybrid composites.- Performance of natural fiber based nanocomposites under environmental aging conditions.- Influence of moisture absorption on mechanical properties of the bio-composites reinforced with surface modified natural fibers.- Effect of compatibilizer on the aging and degradation mechanism of the natural fiber/ thermoplastic composites.- Recent studies on modelling of the hygrothermal aging in natural fiber reinforced composites.- Suitability of bio-composites for the indoor and outdoor applications.