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Vanbergen AJ, Potts SG, Vian A, Malkemper EP, Young J, Tscheulin T

Bioeffects Seen

Authors not listed · 2019

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Critical research gap: We're expanding wireless networks without knowing if EMF threatens the pollinators essential for food security.

Plain English Summary

Summary written for general audiences

Researchers reviewed existing studies on whether electromagnetic radiation from wireless technologies (4G, 5G) and artificial light at night threaten pollinators like bees. They found very limited high-quality research, with only scattered evidence that some EMR affects pollinator behavior or communities. The science remains largely inconclusive about whether these technologies pose significant risks to the insects that pollinate our food crops.

Why This Matters

This comprehensive review reveals a troubling gap in our understanding of EMF impacts on pollinators at precisely the moment when both wireless infrastructure and pollinator decline are accelerating. The reality is that we're deploying 5G networks and expanding wireless connectivity without adequate research into effects on the insects that pollinate one-third of our food supply. What makes this particularly concerning is that pollinators already face multiple stressors from pesticides, habitat loss, and climate change. The few studies that do exist suggest bees can detect electromagnetic fields and may use them for navigation, but we simply don't know if the growing electromagnetic soup from our wireless world is adding another burden to already struggling pollinator populations. The authors' call for more research is urgent, but we shouldn't wait for definitive proof before applying precautionary principles to protect these essential species.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2019). Vanbergen AJ, Potts SG, Vian A, Malkemper EP, Young J, Tscheulin T.
Show BibTeX
@article{vanbergen_aj_potts_sg_vian_a_malkemper_ep_young_j_tscheulin_t_ce4910,
  author = {Unknown},
  title = {Vanbergen AJ, Potts SG, Vian A, Malkemper EP, Young J, Tscheulin T},
  year = {2019},
  doi = {10.1016/j.scitotenv.2019.133833},
  
}
DOI: 10.1016/j.scitotenv.2019.133833PubMed: 31419678

Quick Questions About This Study

Laboratory studies show honey bees and other invertebrates can detect electromagnetic radiation, potentially using it for orientation or navigation. However, researchers found no evidence that wireless EMF affects actual insect behavior in natural ecosystems.
A handful of studies provide evidence that artificial light at night can alter pollinator communities, affecting pollination success and fruit set. This represents one of the clearer documented impacts on pollinators from anthropogenic electromagnetic sources.
No robust scientific evidence currently exists showing 5G or other wireless technologies damage bee abundance or diversity. Only one study found mixed positive and negative effects on different pollinator groups depending on location.
Researchers found a critical lack of high-quality scientific studies examining EMF effects on pollinators. Most knowledge remains inconclusive, unresolved, or only partly established due to insufficient research in this area.
The risk remains unestablished due to limited research, but pollinators face multiple existing threats. Scientists emphasize the need for more studies before concluding whether electromagnetic radiation poses significant additional risks to pollination services.