Keeping Water Clean (Protecting Our Planet)

Water is the most vital of the earth's resources, yet we waste and pollute it. Every day 25,000 people die from using unclean water. This book, which explains how environments are affected by human interference, examines the issues and suggests some answers. It provides a worldwide survey of key environmental themes, reflecting today's concerns and describes how companies and individuals are taking action to improve the situation, as well as explaining what still needs to be done.