Laboratory research into the effects of electromagnetic radiation on the growth of plants has indicated that the radiation might negatively affect plant health.
A study found that ash trees in urban environments are increasingly suffering from growth disturbances. The problems, which included discoloration and die-back of leaves, were found to be related to WiFi access points.
According to the study, as translated from the Dutch:
“Trees in urban areas in recent years show an increasing number of damage such as cracks, bumps, discoloration and various forms of tissue necrosis.”