A study of seasonal activity cycles in a pre-urban society, examined through the lens of an early medieval Welsh case study. It examines how these cycles shaped patterns of power and habitual activity, defining spaces and structuring lives. Its multidisciplinary, comparative analysis identifies focal zones and challenges commonly applied interpretations.
Technological developments and their application must follow a course that is parallel with legislation and public concerns about hazardous wastes management. This paper describes and comments the practices that have been conducted at a Brazilian Petrochemical Complex for 10 years.
Rulers and Owners: A Brazilian Case Study in Comparative Perspective