This book explains how specific objects in a child's environment are connected to the rest of the world; how using them affects the planet; and how the individual can develop positive habits through projects that are environmentally sound. The book is written for children. The material includes experiments, facts, and activities divided into eight topical sections: (1) ecological issues; (2) recycling; (3) water resourcs; (4) animal protection; (5) plants; (6) energy; (7) communication and action; and (8) ecological experiments. The first section follows a general format that includes the introduction of an environmental issue, some causes and consequences, and problem management techniques for children. Issues introduced in this way include acid rain, air pollution, disappearing animals, garbage, greenhouse effect, ozone hole, and water pollution. The activities in sections 2 through 7 follow a general format beginning with a quiz question and followed by a collection of facts, actions children can take, and extension activities or suggestions that often include addresses of organizations, or a bibliography for additional information. The last section contains a series of ecological investigations and activities pertaining to biodegradation, groundwater, smog, acid rain, junk food, values clarification, and papermaking. (6 references) (MCO)