"Study Says Wi-Fi Signals Are Harmful to Trees"
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 December 6, 2010
Radiation from Wi-Fi networks is harmful to trees, causing significant variations in growth, as well as bleeding and fissures in the bark, according to a recent study in the Netherlands.
The radiation created by Wi-Fi networks is causing significant harm to deciduous trees in the world, according to a recent Wageningen University study from the Netherlands, ordered by the city of Alphen aan den Rijn.
Growth abnormalities, bleeding, and cracking of the bark, which cannot be ascribed to a virus or bacterial infections, were found in about 70 per cent of all trees in urban areas of the Netherlands; only 10 per cent of the same trees showed these symptoms five years ago, according to testing. Trees in densely forested areas show little change at all.
The city ordered the study after officials found unexplained abnormalities on trees.
Researchers from TU Delft University and Wageningen University took 20 ash trees and for three months exposed them to six sources of radiation.
Trees placed closest to the Wi-Fi radio demonstrated a "lead-like shine" on their leaves that was caused by the dying of the upper and lower epidermis of the leaves. This would eventually result in the death of parts of the leaves.
Over the last five years, the study found that all deciduous trees in urban regions of the western world are affected by radiation from mobile-phone networks and wireless LANs..
Meanwhile, trees in wooded areas remain happy and healthy, untroubled by wireless unwellness.
Besides the electromagnetic fields created by mobile-phone networks and wireless LANs, ultra-fine particles emitted by cars and trucks may also be to blame. These particles are so small they are able to enter the plants, leaves and the structures of other organisms.
Source: Wageningen University
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