I’ve seen most of the trees (at least in Canada) change color in autumn to an orangey, I’ve heard it has to do with better absorption of sunlight waves that change during this time of the year.
But why they begin to change from top to bottom? I would think the inner ones or lowest ones would change first since they have less access to sunlight than the top ones.
In: 38
Lots of answers that don’t address your specific question. It’s temperature – it’s cooler and less wind-protected at the periphery of branches, higher off the ground, and adjacent to open spaces like roads.
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