Environmental pollution worldwide has been increasing rapidly as a res
ult of massive increases in industrial production, especially since 19
50, Although the United States has begun to address the problem, many
nations have not been able to, such as those formerly part of the Comm
unist bloc and many emerging nations, The International Society of Doc
tors for the Environment was established to promote the information fl
ow about environmental impacts on health, The National Association of
Physicians for the Environment is a member of that organization.