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NONIONIZING RADIATION IN THE ENVIRONMENT

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William A. Mills, Richard A. Tell, David E. Janes, Donald M. Hodge · 1971

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Scientists recognized environmental nonionizing radiation as a research priority in 1971, decades before today's wireless saturation.

Plain English Summary

Summary written for general audiences

This 1971 conference paper examined nonionizing radiation in the environment, focusing on microwave and radio frequency emissions from communications and broadcasting systems. The research addressed the growing presence of electromagnetic radiation in our daily environment as these technologies expanded. This represents early scientific recognition that our electromagnetic environment was changing rapidly with new technology deployment.

Why This Matters

What makes this 1971 research particularly significant is its timing. This paper emerged during the early expansion of microwave communications and broadcasting infrastructure, when scientists were beginning to recognize that our electromagnetic environment was fundamentally changing. The focus on 'nonionizing radiation in the environment' shows prescient awareness that these technologies would create widespread population exposures, not just occupational ones.

The reality is that the concerns raised in 1971 about environmental nonionizing radiation have only intensified. What began as microwave towers and radio broadcasting has evolved into ubiquitous wireless networks, cell towers, and personal devices. This early recognition of environmental EMF as a research priority demonstrates that scientific concern about widespread electromagnetic exposures isn't new or reactionary - it's been building for over five decades as our exposure levels have increased exponentially.

Figures from the Original Paper

Diagrams extracted from the original research document.

chartPage 3 - Figure 1. Electromagnetic spectrum showing band designations and activities at various wavelengths and frequencies.
graphPage 4 - Figure 2. Increase in radio and TV stations in the United States from 1945 through 1969.
diagramPage 5 - Figure 4. Distribution of (A) microwave and (B) radar stations in the U.S.
diagramPage 6 - Figure 5. Distribution of (A) AM, (B) FM, and (C) TV broadcast stations in the United States.
chartPage 7 - Figure 6. Regional distribution of broadcast, microwave plus radar stations, and population.
chartPage 8 - Figure 7. Number of broadcast stations and their emitted power in eight highly populated U.S. cities.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

To analyze the distribution and proliferation of nonionizing radiation sources in the environment and evaluate potential health risks associated with increasing exposure levels.

The document concludes that while no hazards have been definitively established at current ambient power levels, the increasing number of radiation sources and exposure levels necessitates measurement and evaluation of this radiation source before possible effects become apparent. The potential health problem is described as 'potential' and 'extremely large' due to the large proportion of population exposed.

Cite This Study
William A. Mills, Richard A. Tell, David E. Janes, Donald M. Hodge (1971). NONIONIZING RADIATION IN THE ENVIRONMENT.
Show BibTeX
@article{nonionizing_radiation_in_the_environment_g3703,
  author = {William A. Mills and Richard A. Tell and David E. Janes and Donald M. Hodge},
  title = {NONIONIZING RADIATION IN THE ENVIRONMENT},
  year = {1971},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

The research examined microwave and radio frequency radiation from communications systems and broadcasting infrastructure. These represented the primary sources of environmental nonionizing electromagnetic radiation during the early 1970s expansion of wireless communications technology.
Scientists recognized that expanding microwave communications and broadcasting systems were creating new sources of electromagnetic radiation in the general environment, beyond just occupational exposures. This marked early awareness of population-wide electromagnetic field exposure.
Environmental electromagnetic radiation levels have increased exponentially since 1971. What began as isolated microwave towers and radio stations has evolved into ubiquitous wireless networks, cell towers, WiFi, and billions of personal wireless devices.
This paper represents early scientific recognition that nonionizing radiation was becoming an environmental issue, not just an occupational one. It shows that concerns about widespread electromagnetic exposures predate today's wireless technology by decades.
While specific predictions aren't available from this paper's metadata, the focus on environmental nonionizing radiation suggests early awareness that expanding wireless communications would create population-wide electromagnetic field exposures requiring scientific study and consideration.