Espejo, Roman

Contains twenty articles that provide opposing viewpoints on issues related to use of performance enhancing drugs, debating questions of whether it should be legalized, whether it is dangerous, how effective testing really is, and what to expect in the future.

A series of essays that express various perspectives on different types of behavior disorders.

Includes a wide range of opinions surrounding the question, can glacier and ice melt be reversed?.

The title "Should vaccinations be mandatory?" includes a wide range of opinion on a single controversial subject. This book includes primary and secondary sources from a variety of perspectives -- scientific journals, government officials and many others. Extensive bibliographies and annotated lists of relevant organizations to contact offer a gateway to future research.

Contains twenty-two essays in which the authors debate issues related to eco-architecture, such as its benefits to humans and impact on the environment and how it can be encouraged and is being implemented.

Contains eleven articles that provide varying perspectives on issues related to infectious diseases, discussing the threat of infectious diseases, pandemics, and vaccinations.

Contains ten essays looking at several issues involved with whether cell phones should or should not be banned from schools.

Presents differing opinions on the issue of tobacco use, discussing its seriousness as a problem, regulation of tobacco and alternatives, and the impact of media on an individual's choice to smoke.

Collects fourteen essays that provide varying viewpoints on issues concerning the impact of tourism, discussing if the industry is responsive to negative results, if tourism contributes to economic growth, threatens indigenous cultures, or contributes to exploitation of women and children, and other related topics.