Biodegradation 35 Bioremediation 11 Biodegradable plastics 4 Biodegradation, Environmental 4 Biopesticides 4 Dissertations, Academic (Ph.D) 4 Dissertations, Academic(Ph.D) 3 Environmental Microbiology 3 Environmental Monitoring 3 Enzymes 3 Microbial ecology 3 Polymers 3 Anaerobic digestion technology 2 Biocatalysis 2 Biodegradable polymers 2 Biofilms 2 Biosurfactants 2 Biotechnology 2 Composting 2 Conservation 2 Factory and trade waste 2 Food microbiology 2 Fungi 2 Heavy metals 2 Landfills 2 Lignin biodegradation 2 Microbial Ecology, (New March 2000) 2 Pesticides 2 Phytoremediation 2 Plastics 2