When the air becomes crisp and the leaves start to turn, it only means one thing: Fall has arrived! Don't get us wrong, we love the bright green hues that grace the treetops throughout the spring and ...
The Weather Channel on MSN
Fall leaves: The science behind the seasonal spectacle
One of the main drivers in leaves beginning the process of changing color has to do with the shorter days and longer nights. As the seasons start to change, and nights grow longer, leaves begin the ...
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