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Biologist: Wi-Fi does not hurt trees

December 29, 2010|By Dave Roberts | KWCH 12 Eyewitness News

(WICHITA, Kan.) — A report from The Netherlands found its way to the internet recently claiming that the signal from a Wi-Fi router was making trees sick. A local biologist says the report's findings are unlikely.

The study came from several Dutch universities and is still not published. But the initial findings were posted on several blogs and websites. It spread so quickly that the Dutch government sent out a press release explaining it. The research says the signals that get computers and cell phones on the internet wirelessly were causing trees in urban areas to grow slowly and bleed. Some leaves were even showing a lead-like shine.

The researchers admit that these findings are only preliminary, and the research has not been reviewed by other scientists. That step is an important one before the findings can be called conclusive.

"There could be other explanations [like] particulate matter," said Dr. Mark Schneegurt, a biologist with Wichita State University. "They're seeing this in urban areas. There's lots of things going on in urban areas besides cell phone towers and besides Wi-Fi."

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Dr. Schneegurt says that the amount of radiation found in a Wi-Fi signal is far too weak to make a tree sick.

"Typically, when you have damage from radiation, you're talking about strong energy sources, like X-rays, gamma rays, ultra-violet light. Typically, it's ionizing radiation of some kind. It's a high energy radiation" that's powerful enough to cause cellular damage.

"With weak radiation, which is what we're talking about here, very weak radiation, it's hard to come up with a hypothesis even for how this could effect trees in this way."

Schneegurt says there's no reason for anyone to unplug their routers yet, at least not until more research is done.

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