Our environment is complex, but it is understandable through rational investigation, and it is not to be feared. So wrote Titus Lucretius Carus of the nature of things some thirty human lifetimes ago—not so long, really. About species evolution Lucretius thought much, guessed well, and worried...

In their article, Daily and Ehrlich have discussed a number of important recent trends associated with development and global change that appear to be reducing health security. Besides their immediate epidemiological implications, most issues raised in the paper have economic implications....

Epidemiological environment (EE) could be denned as a set of conditions and processes, both physical and social, that influence the interaction between human beings and disease agents. The human epidemiological environment is shaped by various aspects of development and global change, viz. the...