Streetlight Disrupts Seasonal Cycle of Trees

Alessia Andreotti
June 16th 2016

Prolonged exposure to artificial light prevents urban trees from adjusting to seasonal variations. Notice how the leaves of this tree have fallen, except for those directly under the streetlight. Recent research demonstrated how high-intensity light sources have the greatest impact on delaying leaf senescence, throwing off a plant response to the change of seasons. Peculiar image of the week via Physics FAU.

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