Light pollution is disrupting the seasonal rhythms of plants and trees, lengthening pollen season in US cities || by Yuyu Zhou :: The Conversation

"City lights that blaze all night are profoundly disrupting urban plants’ phenology – shifting when their buds open in the spring and when their leaves change colors and drop in the fall........... nighttime lights are lengthening the growing season in cities, which can affect everything from allergies to local economies"..... Read more