This handy new reference follows the popular Secrets Series question-and-answer
format and covers such numerous topics as ozone depletion, global warming, water
quality, and hazardous waste.

• 58 contributing authors, from the fields of emergency medicine, epidemiology, safety and industrial hygiene, toxicology, stratospheric protection, forestry, and applied

• science.

40 chapters, most divided into sections for easy reference

• Secrets are eminently practical question-and-answer books. Lists, mnemonics, tables, succinct answers,and an informal tone make for lively text and participatory learning.