R ene Dubos1 has noted that the modern environment threatens human life in at least two
ways: it contains elements that are noxious or outright toxic and it changes so rapidly and …

THE FIRST of the several statements on which our speakers agreed is that today the
important environmental stresses come from the social rather than the physical environment …

ALTHOUGH the ubiquitous air pollution to which urban residents are constantly exposed
has been widely condemned as a community health hazard, solid evidence of such an effect …

In its report," National Goals in Air Pollution Research," the Surgeon General's Ad Hoc Task
Group on Air Pollution Research Goals states:" The aspects of air pollution which are most …

MANand his environment form an ecological system in which tolerance, adaptation and
interdependence are factors responsible for the success of the system. Man's evolution has …

You are from Los Angeles. You are now awakening for another day of work or play. You do
not expect to see the San Gabriel Mountains today, you know without looking that this is a …

AT a scientific meeting, when there is a consideration of the environment, it is customary to
hear it discussed under two headings:" physical" and" social." There have been historical …

Urban air pollution, when sufficiently severe, can cause death in humans; these deaths
occur preponderantly among those with increased susceptibility. Pollution—carbon …

Materials and Methods All of the members of the entering class of a two year pretheology
college located in the downtown area of Baltimore were studied. The students resided and …

Despite determined efforts over the past two decades to" clean up" the air across the United
States, the problem of air pollution is far from being solved. In fact, Los Angeles has recently …