Covers supranational issues and various systems, including political, educational, environmental, economic, health, human, cultural, communications and resources. Also disasters.. (Copyright 2006 by Librarians' Internet Index)
Introductory material about acid rain, 'a broad term used to describe several ways that acids fall out of the atmosphere.' Includes a discussion of how acid rain is caused by pollutants in the environment, how acid rain is measured, and what can be done to reduce acid rain. In English and Spanish. (Copyright 2006 by Librarians' Internet Index)
Overview of the phenomenon of acid rain, also known as acidic precipitation or acid deposition. Includes discussion about the effect of acid rain on aquatic ecosystems, plants, buildings, and human health. (Copyright 2006 by Librarians' Internet Index)
