Landfills are the important areas in any country. They have the high microbial populations that perform very important functions like, Methanogenesis, conversion of biological polymers into sugars,degradation of different pesticides and herbicides etc. Identification of these microbes is very beneficial. This book shows that new bacterial species has been identified from the landfills of District Gujrat, Pakistan. Species identification would make possible to get valuable functions from these bacterial strains.