Subject(s): Sewage -- Purification - -- Biological treatment -- Policy and Planning -- Biowaste : Problem of disposal, management of wastes, recycling, regulatory framework, standard industrial requirements, general waste laws, UK, Europe and landfill directive, American situation, product standards, biological waste treatment, recycling banks and amenity sites, health risks, types of composting , mulch production, biowaste derived compost, agricultural applications, plant disease suppression, health issues, suitability for MSW -- Anaerobic digestion -AD, alternative biotechnologies, thermal recycling energy from biowaste, policy and planning