This book includes the latest information in the field of organic chemistry, biochemistry, biotechnology, material science (synthesis, properties, applications) and renewable resources. This book emphasises the problems of classification of bio-damages, evaluation and protection methods, bio-damages and protection of artificial and synthetic leather, bio-degradation and biodeterioration of some natural polymers, bio-damages and protection of cosmetics, microbiological corrosion and protection of optical glasses, microbiological corrosion of metals and protection against it, bio-damaging and protection of paint materials.