Newton, David E

"This book provides a broad overview of water, sanitation, and hygiene problems faced by both developing and developed nations around the globe and suggests how these problems can be solved by imaginative and innovative thinking"--Provided by publisher.

Contains entries that provide a variety of information about each of the one hundred chemical elements, covering the element's discovery and naming, occurrence in nature, health effects, and other issues; and features an additional essay that examines the transfermium elements. Includes a timeline, illustrations, and other reference materials.

Explores the nature of marijuana and its legal status in the United States today.

Provides an updated look at cloning, discussing its background and history, problems and possible solutions, effects on society, and various perspectives. Includes profiles of people and organizations, a chronology, primary source documents, and resources for further research.

Explores the history and viability of solar power and energy for replacing fossil fuels, discussing the pros and cons of solar power and where the technology for getting energy from the sun may develop in the future.

Explores the history of prescription drug abuse in the United States and how prevalent a problem it is, especially among student-aged men and women.

Discusses the history and background of vaccination issues in the United States.

Surveys the history of the space race between the United States and the Soviet Union.

Provides an overview of the history of the gay rights movement since the mid-twentieth century, examines its main issues and international scale, contains brief biographical sketches of individuals involved, and includes documents dealing with the status of gay and lesbian rights as well as a list of print and electronic resources.