This document discusses physical activity and the environment needed to support it. It defines physical activity and exercise, and describes different types including lifestyle, lifetime, and vigorous activity. It outlines the benefits of physical activity for physical and mental health. Key elements of a positive sports environment include proper facilities, encouragement, sports programs in schools, community influence, spectators, and regular tournaments. Principles for a good physical activity environment include location, facilities, climatic conditions, and following the PROVRBS principles of progression, regularity, overload, variety, recovery, balance, and specificity. Environmental factors like wind, rain, crowd noise, and warm weather can also impact physical activity and need to be considered.