Because humans and nature are inextricable entities sharing a common global lifespace, natural and social environments are interactive and interdependent. There is a need to (1) understand the origins and characteristics of lifespace phenomena; (2) perceive man and Nature relationships; (3) respect Nature; (4) appreciate the beauty of one's surroundings; (5) commit one's self to preserving a quality lifespace; and (6) prevent rift between natural and social (human-made) environments. Thus it is important that K-12 curricula provide all students the opportunity to interact with, and study, the total lifespace in which they exist and function. This document provides and discusses ecosocial studies curriculum examples divided into urban, suburban, and rural environments. Each of these environments is further divided into thematic units on living space, open areas, cooperative living habitats, population density, goods and services, recreation, zoning, land use, transportation systems, natural resources, endangered species, environmental impact studies, or pollution. Examples of encounters for learning activities are provided for each thematic unit. (DK)